The Worth Spin Trainer is endorsed by the well-known Club K training facility.
These Spin Trainers are a great fastpitch softball training aid for pitchers and their coaches to help them learn the correct rotation for a variety of pitches including fast ball, rise ball, drop ball, curve, and change up. The Spin Trainer provides instant feedback.
Worth's Spin Trainer includes an instructional CD as part of the package.
This is an excellent training tool for young pitchers just starting to high school and college pitchers looking to add to their arsenal of pitches.