BGripmaster VIA Hand Exercisers ReviewbP PP Gripmaster VIA Hand Exercisers PMedium hand and finger exerciser designed for musiciansPChallenges each finger using spring-loaded piston technologyP4 buttons are designed to resemble the valves of a trumpetPIdeal for improving dexterity, finger strength, and coordinationP6-pound-per-finger resistance; built for average-sized handsP