Crimp Vs Open Hand. com/always__climb15/TikTok: https://www. significantly stronger in
com/always__climb15/TikTok: https://www. significantly stronger in open crimp vs half crimp, better to focus on half crimp? started max weight hangs, my open crimp on 20mm is body weight + 50% for close to 8 sec, but half crimp i can only hang with +20% ish. Oct 30, 2025 · Plumbing work―particularly on PEX pipes―requires specific tools. This has a negative effect on the rolling in of the crimp flanks. com Daniels Manufacturing Corporation® is the leading provider of mil-spec qualified crimp tools. Full and closed crimp have the greatest impact. Why do you use open hand vs half crimp vs full crimp? I am interested in learning about which situations lend themselves to using one grip type over the other. In a half crimp, the index, middle, and ring fingers are bent at a 90-degree angle. These connectors are commonly used in automotive installs and it's i Aug 21, 2025 · Study shows climbers aren’t stronger in half-crimp than open hand on deep holds. I was wondering if anyone could give me some advice regarding the 3 above grip types (full crimp, half crimp, open hand), and most importantly, how they differentiate in terms of stressing the tendons/pulleys in the hand/fingers. Instagram: https://www. Jun 3, 2025 · If a climber turns out not to be stronger in crimp than in open hand position - as they might have assumed - the open hand grip, which is easier on the pulleys, should be used wheneverpossible. Using your pinkie engages more muscles in your forearm and back, so this grip type uses less energy and is great for long endurance climbs. The videos show that open-hand slaps can be more effective than strikes with a closed-fist. Made with a hand brake, the wide hem gives the end of the panel additional strength and allows it to expand and contract without buckling. Once you've built up that tendon strength (after years of Jan 4, 2024 · The open-hand crimp, also known as the half crimp, is the most widely used type of crimp grip. Full crimp is the strongest grip, but puts a lot of pressure on the A2, A3 and A4 pulleys, whereas the half crimp puts less pressure on A2 but still some on A4 and A3. tiktok. 006". I've always assumed three finger drag was open and have never really thought about an open crimp with four fingers. does the open crimp not translate well to half crimp? and which one is more important? Oct 15, 2021 · In the sport of rock climbing, the half crimp grip finds the happy medium between the power of the full crimp grip and the sustainability of an open hand grip. Nov 19, 2025 · A crimp in rock climbing is a type of climbing hold that will only fit your finger pads. 38. An open hand reaches about 10cm (4in) further than a crimp. Background The device was originally designed for Taido, a martial art with some very unorthodox techniques, as a way to show Does wrapping your thumb over your index finger make you cringe? You may be missing out on some serious pulling Training open hand is less prone to injury, however, if you train open handed then climb outdoors crimped, your pulleys will not be as strong as the rest of the system so you are more likely to rupture one. While you grab, start hanging and prepare for the next move, your brain will normally select a more open crimp position compared to your strongest possible more closed position for executing moves. #electricianstools #tools #crimpingtool Hydraulic Crimping vs Mechanical Crimping The choice between a hydraulic and a mechanical crimping tool will be based on preference, budget, and application, among others. As you see the joints are in a fairly natural position with nothing being overextended. I could hang 30+ kg on an 14 mm edge in the open hand position (4 fingers open). Half Crimp Perhaps the ‘Pièce de résistance’ of climbing grips, the ‘Half-Crimp’ is the most versatile finger position, performing well on crimps, ledges and slopey holds. I plan on suplementing this with full crimp hangs (mainly density) on small edges and open hand pocket training. battery powered) are more expensive but will prevent strain and injury due to repetitive crimping operations. Feb 9, 2020 · First, we must understand that there are 3 different crimping positions: 1) the open crimp 2) closed hand crimp and 3) full crimp. Open crimp: involves flexion of the proximal interphalangeal (PIP) joint to 90 degrees with extension of the distal interphalangeal (DIP) joint. You crimp open barrel terminals with either a designated crimping tool or regular pliers and a bit of soldering. Hence, the aim of this study was to determine how accurate climbers from different Crimpers & Presses – Precision Tools for Secure Connections A crimper or press tool is essential for electrical, plumbing, and mechanical applications, ensuring secure and durable connections. From the three types of crimps, when to use them, and how to improve your crimp strength. Hand or hammer crimpers are relatively cheap and may be your best options if you only crimp occasionally. Basic Crimp Techniques and the Components of a Good Connection PIDGTM Terminals and Splices Insulation Restricting PIDGTM Terminal SOLISTRAND Terminals Wire Barrel Functions (Closed and Open) Wire Insulation Variations Wire Preparation Proper Strip Length and Wire Placement Insulation Crimp Adjustment Dot Coding Crimp Inspection Double Action Hand Tool Positives of open-hand: less chance of injury Positives of crimp: be able to lock down hard on a very small hold Being strong with an open hand also has the benefit of being able to latch a hold (open or crimp) on a long throw as you naturally will catch a hold first open handed (then have to curl your fingers into a crimp) May 19, 2009 · We have all found purely training and climbing open handed has allowed sufficent benefits, allowing us to open hand all but the smallest holds, and still not hindered when needed to crimp like f**k. Hydraulic Crimping vs Mechanical Crimping The choice between a hydraulic and a mechanical crimping tool will be based on preference, budget, and application, among others. Yea, my open hand is four fingers but I see half crimp as almost basicly a full crimp without the thumb. I had to take a deep breath and Feb 7, 2014 · The evidence is in the amount of people that have ruptured their tendons using a closed crimp compared to an open hand. I noticed that most of the holds on hard boulders outside are sharp, small, incut crimps which I do very poorly on due to the holds forcing a half/full crimp. This mini-lesson was pulled from our PEX skill exercise. Our precision tooling has supported the Defense and Aerospace industries for over 75 years. Oct 21, 2009 · We have all found purely training and climbing open handed has allowed sufficent benefits, allowing us to open hand all but the smallest holds, and still not hindered when needed to crimp like f**k. " Open hand vs. 14 mm 2 to 10 mm 2 (26–8 AWG) insulated and non-insulated ferrules Crimping is a method of joining two or more pieces of metal or other ductile material by deforming one or both of them to hold the other. Crimp height in instruction data is found sheet (hand tools) or on data plate (applicators). After reading this I looked properly for the first time at how I was gripping. Things is, full crimp is mechanically stronger with the same force applied to the muscle/tendon assembly. Crimping is a fundamental process, particularly in sectors where electrical connections are critical. The pinky may be slightly straighter (because it’s shorter) and slightly gripping On the left is an open hand crimp. We tested the best PEX crimp tools for plumbing installation and repairs. For the positions you describe (high undercling, gaston, close sidepull) open-handing would just send the elbow way too far back, to positions that are very unfavorable to shoulder power I am significantly stronger half crimping than open hand, mostly because I don't do any open hand hangboarding anymore. Dec 17, 2025 · With tendon pulley injuries, crimp grip loads the pulleys significantly more than an open hand or sloping grip. full crimp one is very muddied at this point. so it's very easy to go this route but it ends up not training the muscle properly VS the level you climb at. 4 HALF CRIMP GRIP POSITION OPEN HAND GRIP POSITION Crimping with a manual hand tool, semi-automatic press and die, or fully automatic wire processor, all involve different levels of variability. This is a detailed, well-illustrated article that shows how to use various primer pocket reamers/cutters. If you're just starting out then yes, you should focus on climbing open handed as much as possible since the connective tissues in your fingers aren't yet strong enough to handle the added stress of harder crimping. Jun 3, 2025 · If a climber turns out not to be stronger in crimp than in open hand position - as they might have assumed -the open hand grip, which is easier on the pulleys, should be used whenever possible. Once the connection has been crimped, heat shrink tubing is used to create a seal. Sep 27, 2024 · The open-hand crimp is used on slightly easier terrain when you want to conserve energy. Discrepancy in crimp strength open hand vs. Hydraulic and automated crimpers (e. Full crimp vs half crimp vs completely open hand. The full crimp is more suited for square-cut ledges with a recess for better finger traction. When I first started rock climbing, everything seemed so intimidating. In my right dominant hand on tiny holds going into a full crimp feels like my strongest grip. In this video, we review a simple crimping process of PEX materials. Remember to watch the other Edit: I was under the assumption that the left was an open hand crimp, but this thread has come to the consensus that it is not, and I agree with u/cock-a-doodle-doo that the right image is the better and safer way to crimp in this instance. Before passing the piece back up to the installers, the open end of the rib is cut and hammered over. Hello, I’m Amir, a self defense instructor from Holland, and recently I’ve shot a couple of videos featuring a force meter: a device that measures the impact of a strike. Basic Crimp Techniques and the Components of a Good Connection PIDGTM Terminals and Splices Insulation Restricting PIDGTM Terminal SOLISTRAND Terminals Wire Barrel Functions (Closed and Open) Wire Insulation Variations Wire Preparation Proper Strip Length and Wire Placement Insulation Crimp Adjustment Dot Coding Crimp Inspection Double Action Hand Tool In this same way, open hand does not use the thumb wrap, you could pick up a cup because your hand is open. Apr 30, 2025 · Introduction Crimped terminations are a widely used method of connecting wires to various devices as well as for creating so-called splices - that is, wire-to-wire connections. half-crimp: Do climbers assume differences in their own maximal finger strength that do not exist? Introduction Many climbers believe that they are stronger in the crimp position than the open hand position, but the crimp is linked to higher pulley forces, increasing the risk of finger injuries. Are you new to crimping? Not sure what the difference is between each crimping shape? Don’t worry—we've got you covered! In this blog post, we will review the differences between each crimping tool and help you choose the right one for your needs. g. Crimping with a manual hand tool, semi-automatic press and die, or fully automatic wire processor, all involve different levels of variability. This handbook is intended for Molex customers who are crimping Molex open barrel crimp terminals and are using Molex tooling, primarily in semiautomatic or automatic wire processing termination methods. Crimping ain’t easy. I think the climbing jargon battles are not really worth fighting and I recognize that the closed vs. tenosynovitis: inflammation of the fluid-filled sheath (called the synovium) that surrounds a tendon, typically leading to joint pain, swelling, and stiffness. Edit: to answer the grip types to train question a bit further. Jan 7, 2010 · Training/Jens: The optimum finger crimp position differs from Hanging and Moving as they involve different loads and body positions. My open hands crimps was wayyy weaker than my full crimp and that led me to overuse the full. Do you like open We would like to show you a description here but the site won’t allow us. The use of an open hand grip during tendon rehabilitation may be recommended to avoid tendon atrophy while modulating load on the healing pulleys. So I think open hand should improve crimping strength, but proabably the other way. The connection is sealed by crimping the connector around the wire individually, and the ring within the connector carries current between both cables. These two crimpers have different types of crimping jaws which assemble insulated terminals and open barrel connectors differently. For the positions you describe (high undercling, gaston, close sidepull) open-handing would just send the elbow way too far back, to positions that are very unfavorable to shoulder power I crimp most of the time and haven’t been injured yet. Do you like open Crimping is a more "dangerous" hand position, but if you never train it it'll really hold you back in your climbing. We appear to use high quality crimps yet we have a non-trivial failure rate when we do a moderate test pull just after the crimp. Learn all about how to do it and how to avoid crimping injuries. In a full crimp, you also use your thumb, but this position puts a high amount of stress on the annular ligaments. Crimping involves joining two or more pieces of metal by deforming or pressing them together. . The Flexor muscles are those involved in cl In this episode we break down how to use climbing holds safely and efficiently, with a clear focus on open hand vs crimp for beginners. At the same time if I ever had to full crimp it would A) feel weak and B) feel super dodgy. Maybe that's why I crimp everything so hard. We would like to show you a description here but the site won’t allow us. A good crimp is the outcome of many small adjustments, both inside the shell and at the crimping station of a reloading press. 1 day ago · Hawaii's top source for breaking news, Hawaii news, business, sports, politics, arts and entertainment, traffic, weather and more. As a result I would only full crimp if I really had to and otherwise try to pinch a lot of stuff or just open hand it. The middle finger, due to its additional length, tends to be slightly more articulated than the pointer and the ring. I feel most comfortable with the four finger open hands, and will try to focus on that grip for now. All you have to do is insert your prepped wire into each end of the butt splice and crimp with a hand tool. There are three different crimp grips, the open hand grip, half crimp and full crimp grip. It also has a very extensive discussion of swaging using CH4D, RCBS, and Dillon tools. Creating crimp connections with open crimp barrels in conjunction with hand crimping pliers is one of the most difficult and unsafe manufacturing processes. Full crimping is a much more active gripping style than half crimping. Feb 2, 2025 · Climbers are more concerned with grip technique than adjusting body weight properly. However, climbing with crimped fingers is a part of climbing and is unavoidable on very small edges. Full crimp The half crimp grip is best used for climbing along surfaces with small holds and narrow edges. instagram. Here is a little writeup from Lattice training suggesting a stricter half crimp is better for benchmarking. A properly executed crimped termination is crucial for the reliability of the entire system. But you cannot use the crimping pliers for insulated terminals. Jul 13, 2021 · Well done, you’re crimping! Not sure what we’re talking about? Then here’s all you need to know about crimping in climbing! A crimp can mean two different things in rock climbing: it’ll either mean a small edge or hand-hold, or mean the way you grab onto such a hold and the hand position (the crimp grip) you’re using to do so. When to Use Half crimp vs. In this blog post, we will discuss the pros and cons of automated crimping versus manual crimping and understanding which approach might be the better fit for different situations. Basically a bit of both really is a good idea i think. Open hand grip is safer and just as strong—use it to prevent injuries. It sure Dec 19, 2015 · Ibid, p. Then I started doing half crimp hangboarding. Open hand vs three finger drag? So for a good couple years I've just been training half crimp and 'open hand', however I've been doing 3 finger drag as my open hand. Crimp (joining) Crimp tool for 0. Once I realised this, I tried to use an open-hand grip as much as I could, but my brain seemed to be hard-wired to crimp. More like 1/8" of an inch in truth but nevertheless you've still lost it and it has come off the wad. Ours looks in 100% good condition, puts lots of pressure on it. Jan 31, 2022 · HALF VS FULL CRIMPING Half crimp training alone cannot fully prepare you to crimp with all your might on a tiny edge. It’s best for most flat and incut edges, especially if the edges are larger, and can even be deployed on slopers and sloping edges. Open hand puts very little strain on the pulleys, but is a little tricker to master. Cabac Australia | Electrical Products & Solutions Crimp almost any electrical connection with this Klauke EK50ML - 50 different crimping die options. I recognised that I default to crimping on everything except completely sloping holds. We have all found purely training and climbing open handed has allowed sufficent benefits, allowing us to open hand all but the smallest holds, and still not hindered when needed to crimp like f**k. Jan 29, 2019 · For looking to start weighted deadhangs, I was thinking of varying between open hand and half crimp (after longer working on increasing half crimp strength)? Or do people tend to focus on just one grip type? Jun 5, 2020 · As of course you effectively lost a good quarter inch of cartridge length to make the crimp as against what you'd need for a roll crimp. Wrist curls are great for those who have problems controlling the position of their wrist. pdf Says: "The maximum out-of-roundness of a completed crimp shall not exceed . There are open barrel terminals, closed barrel terminals, machined contacts, and ferrules. Checking Crimp Height Stress Check finished crimp height of termination using crimp height comparator. If an open crimp barrel is processed with this type of hand crimping tool, there is a risk that the open crimp barrel will twist in the die during the crimping process. com/@partner__15?Gmail: xaoxiongclimb15@gmail. As far as injury prevention goes, it makes more sense to climb using an open grip. In this video I will show you how to crimp insulated and non-insulated crimp connectors. However, in my left hand the full crimp actually feels weaker than keeping it half crimp or open For context I climb around V7 outside, train in the gym 3 days per week, usually one day a week of max hangs as well. This is the difference between the minimum outside diameter of a properly crimped ring and the maximum outside diameter of the same properly crimped ring. Open hand puts less stress on the last joint in the finger, but takes much more force along the tendons and so it takes more training to get strong enough to do it. Whether you’re working with electrical terminals, hydraulic fittings, or plumbing pipes, Sydney Tools offers a range of professional-grade crimpers and presses designed for efficiency and reliability. May 29, 2014 · Find rock climbing routes, photos, and guides for every state, along with experiences and advice from fellow climbers. Jan 12, 2026 · Amphenol Communications Solutions (ACS), a division of Amphenol Corporation, is a world leader in interconnect solutions for Communications, Mobile, RF, Optics, and Commercial electronics markets. The terminal, wire, and type of application tooling all affect the quality of the completed terminations. One downside is that a lot of energy is wasted cranking to a full crimp every time I hit a small hold. Going to the gym by myself and being surrounded by incredible climbers left and right. •full crimping for power? •open hand for resting? This is the grip position defined by the extension of the pointer, middle and ring fingers. half crimp Hey all, After been mostly an indoor climber for 6/7 years, I’ve slowly been transitioning to outdoor bouldering. Viega "PEX Crimp Hand Tool", Viega-41723-User-Guide. An open hand or half crimp have a gentler impact on your joints. May 20, 2021 · More Info on Primer Pocket Swaging For more information about removing military crimps in primer pockets, we recommend you read Get the Crimp Out on the Squibloads Gun Thoughts Blog. As is well known, a single You should not expect more open hand gains from half crimp than directly training open hand. I do try to train open hand, but on projects crimping is a necessity. Therefore, this study aimed to determine how accurate climbers could assess their maximal finger flexor strength in half-crimp and open hand positions. Just can’t trust it for a competition. Crimps are to be pushed open from the center, which happens when the pellets are matched to the top of the shotcup and an overshot card is in place. Dec 19, 2015 · Ibid, p. It is also quite simple, with all fingers bent at a 90-degree angle (the pinky finger may straighten slightly) and the thumbs disengaged to the side of the hand. This position is the most efficient grip position in terms of the flexor muscles of the forearm. This article seems to have some useful info that touches directly on the half crimp vs chisel grip and the difference in using each when climbing vs hangboarding. DEWALT® designs and optimizes professional workhorse solutions – tools, accessories and service – to ensure confidence for the toughest jobsite conditions. Mar 1, 2019 · The full crimp grip is one of 6 hand and finger positions used in rock climbing. A nearly 180°, 1-in. [1][2] Crimping tools are used to create crimps. The Squibloads Feb 5, 2012 · Every store, electrical supply etc seems to sell the exact same ~$40 ratchet (renamed) crimper (Chinese) for the standard red/blue/yellow terminals. DMC tools cover all aspects of building wire harnesses and connector assembly including crimpers, strippers, insertion/removal tools, tensile testing, banding, and more! The crimping tool is the key element of any crimping process. Hem the bottom. -long bend hooks onto the drip edge at the eaves. If you get your fingers strong in that crimp position in a controlled environment, you'll actually be reducing your likelihood of injury when you really have to bear down on a crimp outside. No matter whether this is done hydraulically or by muscle power: as the cable lug is crimped, the degree and type of deformation is defined by the tool or the contact-specific wear parts of the press. I'm pretty new to climbing, I've been at it for a few months, mostly bouldering in the V3-4 neighbourhood of difficulty. What are you crimping, and where are you crimping?2. The bend or deformity is called the crimp. Jul 5, 2021 · It is one of the most common and frequent injuries experienced by climbers. Before you pick what type of crimper, you need to answer the following: 1. As discussed in chapter 4, full crimping is mechanically stronger than open-handing or half crimping when on small holds. May 1, 2024 · Crimp Climbing 101 covers the essential techniques and training tips for using crimps.