John Brookfield
American strongman, grip training pioneer, and author known for nail bending, card tearing, and foundational grip literature.
John Brookfield
John Brookfield is an American professional strongman, grip training author, and multiple world record holder who set out to develop what he described as the world's strongest set of hands. He is best known within grip sport for his books on hand strength, for a catalog of grip feats including nail bending and card tearing, and for being one of the earliest people officially recognized to close the No. 3 Captains of Crush gripper.
Key facts
- Author of Mastery of Hand Strength and The Grip Master's Manual
- Recognized as the second man in the world to close the No. 3 Captains of Crush gripper
- First to bend the IronMind Red Nail
- Developer of a rope-based conditioning system
- Listed in the Guinness Book of World Records and Ripley's Believe It or Not
Books and influence
Brookfield authored two of the more widely read early texts on grip development, Mastery of Hand Strength and The Grip Master's Manual. Both circulated among grip enthusiasts before the modern era of online communities and organized competition, and they helped define how a generation approached training the hands and forearms. He later wrote on cable training and other conditioning topics as well.
His writing emphasized specialized, feat-oriented training: choosing a target such as bending a specific nail or tearing a deck of cards, then building the exact strength and technique that feat demands. That approach shaped much of the terminology and progression thinking that later grip athletes adopted.
Grip feats
Brookfield built his reputation on short feats of the hands and lower arms rather than on maximal lifting. He is regarded as one of the strongest practitioners at bending short, stiff objects such as spikes and nails, and he was the first person to bend the IronMind Red Nail, a benchmark bending implement.
Card tearing is the other feat most associated with him. He has torn multiple decks of cards at once, including a demonstration of tearing three decks simultaneously, and he treated tearing a single deck as an entry-level challenge rather than a peak accomplishment. His feats extended beyond the hands to whole-body strongman efforts, including pulling semi-trucks over long distances.
Brookfield is recognized as the second man in the world to officially close the IronMind No. 3 Captains of Crush gripper, an early milestone in documented crushing grip strength.
Captains of Crush and IronMind
Brookfield's grip work is closely tied to IronMind, the company behind the Captains of Crush gripper line. IronMind documented his feats and training methods over roughly fifteen years, and he was the second person officially recognized as closing the No. 3 gripper, placing him early in the small group of certified No. 3 closers. His status as the first to bend the Red Nail similarly connects him to IronMind's bending standards.
For more on the gripper line and the certification he helped popularize, see captains-of-crush and certifications.
Conditioning system
Beyond pure grip work, Brookfield developed a conditioning method built around heavy ropes, aimed at sustained explosive power and endurance rather than isolated strength. According to IronMind, the system was adopted by military, law enforcement, and athletic populations. The rope method broadened his reach outside the grip community and into general strength and conditioning.
Public recognition
Brookfield's feats earned mainstream media attention, with appearances tied to programs including the Today Show, Good Morning America, and Live with Regis and Kathie Lee. His strength has also been recognized in the Guinness Book of World Records and in Ripley's Believe It or Not, giving him a public profile beyond the specialist grip audience.
Legacy in grip sport
Brookfield sits among the founding figures of modern grip training alongside contemporaries and successors documented elsewhere on this wiki. His combination of published instruction, documented feats, and early gripper certification made him a reference point for later athletes and organizers as the sport formalized. Readers exploring the wider development of the discipline can start with grip-sport-history, and compare his contributions with those of figures such as david-horne and steve-gardiner.
See also
Sources
- https://www.strongfirst.com/author/john-brookfield/
- https://ironmind.com/news/John-Brookfield-On-the-Ropes
- https://ironmind.com/news/John-Brookfield-Tearing-Three-Decks-of-Cards
- https://ironmind.com/news/Tearing-Cards-with-John-Brookfield
- https://www.goodreads.com/author/show/1106109.John_Brookfield
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