Now in its second edition, Mastery of Hand Strength is the book on grip strength from the man who set the standard for innovative grip and lower-arm training.
It's a battlefield out there and your flag is the Captains of Crush logo and your sword is "them grippers." If you want to hang them on your wall, this is how to do it.
This book continues where Mastery of Hand Strength ends, as John tackles topics such as manual dexterity and muscle control, functional upper-body and lower-arm strength.