描述
- A pitchers best friend - it strengthens and stretches
- Prevents injury while throwing a baseball or softball
- Exercises increase arm strength and pitching stamina
- Bands are pitching aids for more powerful throwing
Jaeger J-Bands Resistance Bands for Baseball and Softball Pitchers. Baseball Pitching Trainer and Arm Trainer. Baseball bands for throwing. Baseball Training Equipment and Laminated Instruction Sheet