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.
- 3.5″ (9cm) textured ball and the 2.5″ (6cm) smooth ball give you two tools to break through tough tissues
- One spikey ball – 3.5” (9cm) diameter
- One smooth ball – 2.5” (6cm) diameter
- Made of rubber