TITLE Boxing Grip Strengthener

Extensor training improves forearm strength for greater punching power. Helps prevent tendonitis caused by overuse of flexors (gripping muscles) and underuse of extensors. Strengthens tendons and muscles in your hands, which reduces occurrences of hand injuries. Offers three advancing levels of resistance that will continue to challenge you as you progress in strength. Comes in their own 7” x 9” drawstring, mesh storage bag.