4: The top of the ladder. Captains of Crush Grippers (commonly nicknamed "CoC") are a brand of torsion-spring grippers (a torsion spring fitted with two handles) designed, manufactured and sold by IronMind Enterprises, Inc., based in Nevada City, California. Captains of Crush (CoC®) grippers changed the gripper world, taking what had been a cheap, imported plaything and turning it into a beautifully designed and crafted training tool for serious strength athletes. YZLSPORTS Metal Black Heavy Hand Grip and Wrist Strengthener Gripper- Resistance from 50-300 L… Grip, weightlifting, strongman, Highland Games, throwing—that’s the stuff of IronMind’s DNA, so … Nobody has been certified on this gripper since Magnus Samuelsson in 2004--who will be next? Captains of Crush Grippers The Gold Standard for Building and Testing Grip Strength. For most people, a Captain of Crush is the equivalent a crushing machine! Captains of Crush Grippers: designed and built for performance. The gold standard for building and testing hand strength, Captains of Crush Grippers are the single most important grip strength tool you can choose--for the fastest route to the strongest grip. No. Captains of Crush grippers are your first choice for increasing your crushing grip and they will be the cornerstone of your training. No. Grip Training for OCR and Climbers Hand strength is key for obstacle course racers (OCR) and climbers, and most of the grip-related challenges you will face will depend upon the strength and endurance of your crushing grip. For 30 years, IronMind’s Captains of Crush Grippers have been a staple of grip strength training, from the gyms of Strongmen, weightlifters, fighters, and football players to everyday athletes of all sizes and skill levels. Known around the world as the gold standard for building and testing hand strength, Captains of Crush Grippers are the single most important grip strength tool you can choose--for the fastest route to the strongest grip. 1272 (1 lb.) Made in the USA and known worldwide, nothing else puts power in the palm of your hand like a Captains of Crush gripper. CAPTAINS OF CRUSH Hand Gripper - Pick 80 to 237.5 lb Strength - CoC Grip Trainer They are the official grippers of the Arnold Sports Festival, the GNC Grip Gauntlet, United States Arm Wrestling and the World's Strongest Man contest. There is a special satisfaction that is achieved when you mash a #3 and hand it to another person and the Polaroid moment look on their face when they try and close the #3 with the result being it might as well be a brick they are trying to crush. Since 1988, IronMind has focused on providing “Tools of the Trade for Serious Strength Athletes,” and many of our products are household names among the world’s strongest men: Captains of Crush grippers, Vulcan Racks, Apollon’s Axle, Rolling Thunder, and Strong-Enough Lifting Straps, to name just a few. What's special about Captains of Crush Grippers?