Xertube Throwing Trainer Softball
SXTxDescription
- Increase the strength and stamina of the muscles involved in throwing.
 - Continued use will help prevent shoulder injuries.
 - Regulation size softball is attached to high-quality rubber latex tubing.
 - Door strap and illustrated instructions with exercises are included.
 - Select tubing based on your fitness level.
 - Made in USA with domestic and foreign parts.