Markwort Spin Right Spinner Training Softball: SB-YLW 182

Designed for softball pitchers to learn the proper grip and rotation of the rise ball, drop ball, curve ball, and overhand throw.

• Spinners rotation and movement provides instant feedback to athletes and coaches. 
• Included instructions provide an easy visual reference for grip positions and proper rotation. 
• 29 Minute Instructional Video on YouTube.com