This highly popular training aid helps to provide a clear understanding of the difficult hand and wrist positions required to throw advanced pitches by giving instant visual feedback to players and coaches. Teaches the spin rotation required for ball movement in baseball. All pitches can be thrown including fastball, split finger, curve, slider, sinker, and rise. Also great for working on the basics of release, and overhand throwing in any player.
- official diameter and weight
- molded seams for a realistic feel
- white color
- instructional video available on YouTube