John Brookfield – Blueprint for Grip Strength
“And you thought youd seen every grip evercise in the world, right? But the truth is that even if you have read Mastery of Hand Strength and The Grip Masters Manual and have followed John Brookfields Grip Tips since they first appeared on the IronMind website, theres always room in the Brookfield mind for more. And here they are: a pile of new movements and fresh ways to get that grip you want, with a focus on closing grippers, bending steel, and tearing cards”.
Looks can be deceiving. About the author: https://www.bodybuilding.com/fun/battling-ropes-master-john-brookfield-interview.htm