The Club K Baseball Spinner & DVD is a teaching aid to help pitchers, catchers, and coaches easily determine the difference between proper and improper rotations. Designed to aid in the process of learning spins for fast pitch softball pitchers. Great tool to learn the proper rotation (12 to 6) for overhand throwing. Excellent for demonstrating correct spins of different "movement" pitches as well as correct spin for the fastball and overhand throw.
