3, No. Through IronMind's certification program for people who have officially closed any of the three toughest models, Captains of Crush Grippers have become an "internationally recognized measure of strength. [20][31] Only four other people have officially closed the No. 5 out of 5 stars (33) 33 product ratings - CAPTAINS OF CRUSH Hand Gripper - Pick 80 to 237.5 lb Strength - CoC Grip Trainer. It maintains if anyone cannot close a Captains of Crush No. 3 being the most difficult to close. [16] The next generation of the Silver Crush Grippers, released in 1993, marked the next major step in gripper evolution; their stainless-steel handles replaced the previous chrome-plated mild steel handles, and a new assembly technique eliminated the drift pin central to the design of the older grippers. IronMind introduced two new models in 2004 that were easier to close than the Trainer: the Guide and the Sport. 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. 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. 3.5", "Certification on Captains of Crush Grippers: 'Credit Card Sets,' 'Old Rules' and 'New Rules, "Captains of Crush Grippers: Training with Hand Grippers and Other Frequently Asked Questions", https://en.wikipedia.org/w/index.php?title=Captains_of_Crush_Grippers&oldid=984942782, Companies based in Nevada County, California, Creative Commons Attribution-ShareAlike License. 3.5 and No. [6], In 1964, Iron Man Magazine advertised a new line of grippers called the "Super Heavy Iron Man Grip Developer. In response IronMind explained the requirements for certification were changed because some competitors had begun using questionable techniques to close their grippers. All items over $100 are subjected to free shipping (excluded free weights, dumbbells and heavy or bulky equipment) if the items in your shopping cart are within the carriers official weight and measurement restrictions. 3 - (280 lb), Captains of Crush 2-Pack Hand Gripper No. All items are shipped by a third party carrier. 4 Gripper in 1994, but no one was officially able to close it until Joe Kinney was certified in 1998. 1, No. Historically, torsion-spring grippers were not considered serious training tools because, among other things, they were not very difficult to close. 420 sold. In 1993, IronMind began stamping the bottoms of its gripper handles to indicate the difficulty level of each individual gripper (e.g. 4 - 360 lb - BEST VALUE, 5 product ratings - IronMind - Captains of Crush CoC Hand Grippers - No. In Marunde's memory, IronMind has pledged to donate $500 to the educational trust fund set up for his children every time a teenager is certified on the Captains of Crush No. Since then, more than 270 people around the world have been officially certified as closing the No. Leading grip-strength figures as Richard Sorin and John Brookfield were early users.[15]. 1, No 1, p. 6, IronMind Enterprises. In 1990, Strossen contacted Warren Tetting, who had made the Iron Man Grippers, and asked if he would be interested in making grippers for IronMind. In my quest to close the Captain of Crush # 3, I soon realised that less is more. 2003. [32] A YouTube clip of Samuelsson closing the No. $24.95. September 1990. 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. 4 CoC Grippers, respectively; thus, these are their interpolated poundage ratings. 2.5 and No 3.5 — bringing the total number of gripper models it sells to 11. 4 - (365 lb), Captains of Crush 2-Pack Hand Gripper No. 3.5 or No. [9] The Iron Man ad billed the grippers as the "world's strongest grip[pers] of this type."[10]. "The first teenage Captain of Crush"[38] went on to become a popular professional strongman competitor, but died on July 25, 2007 from a genetic heart defect. [14] At the end of 1990, IronMind introduced the "Silver Crush Gripper", which had chrome-plated handles and springs, a uniform knurling pattern, and the same three models of increasing difficulty as the first group: the No. [28], IronMind also donates all the proceeds from CD sales of Trevor Laing's "Captains of Crush Song" to Doctors Without Borders. 3 - (280 lb), 6 product ratings - Captains of Crush Hand Gripper No. 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. [23] In the gripper world, Strossen writes, some people mistakenly call a gripper calibrated when it has merely been rated for its level of difficulty.[24]. 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. 1.5, No. 3 in 1991. 1.5 - 167.5 lb - BEST VALUE, Captains of Crush 2-Pack Hand Gripper Sport - (80 lb), Captains of Crush Fitness Equipment & Gear. In 2008 IronMind was criticized for changing the rules on how it certifies people who have closed its Captains of Crush No. 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. Catalog. Instead, IronMind recommends that gripper training should be based on the same principles that apply to other forms of strength training — including the idea of warm-up sets, work sets and a focus on high effort concentrated on low reps.[40]. 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