RockBalls are a great way to perform self myofascial release with pinpoint accuracy. They are sold as a pair and feature a large spikey ball, a small smooth ball and an instruction book with release trigger points and mobility exercises. Best of Both…
Package contains:
- One Spikey Ball – 3.5″ Diameter
- One Smooth Ball – 2.5″ Diameter
Both balls are made of rubber.
