Helps develop correct pitching mechanics without a coach monitoring Works for both basic and advanced mechanics including fastball, change-up, drop ball, screw ball, rise ball and curve ball An effective tool to provide instant feedback during pitching practice Fits both youth and adult with elastic band User instruction is included

Put on the perfect circle and make sure the round flap is centered on your thigh. When practice softball pitches, your arm should touch the flap. If your arm is too far away from the thigh it would cause many problems and reduce your pitching performance.