Product Information
- The "Power List" is a ball that trains your wrists by turning the ball built into a rotating ball
- Pull the winding string and the rotating ball will turn, and you can train your wrist with its centrifugal force!
- Rotate your wrist as you spin it for more revolutions and more weight
- High speed rotation increases wrists, grip, arm strength, and snap strength
- Train your muscles from your shoulder to your fingertips