Grip Strength: How to Close Heavy Duty Hand Grippers, Lift Thick Bar Weights, and Pinch Grip Just About Anything
Robert Spindler is a professional stage strongman and two-time Austrian powerlifting champion. Read more about him at: www.Eisen-Hans.at Tommy Heslep is world-renowned grip strength expert and world-record holder. He is only one of five people in the world to have certified for closing the Captains of Crush #4 gripper.