I have stocks of some self-massage tools that I can sell you after a class or massage. Please read my self-massage advice before use.
Different shapes and sizes work for different parts of the body. Depending on sensitivity, you will need a different hardness. You can easily pad a hard tool to make it softer using a blanket or pillow, but the opposite doesn't really work.
- Balls are useful for accessing a point in a large, flat muscle especially around the trunk. Lie on it and your body weight generates the pressure.
- Rollers are best for working on a long thin muscle where the ball tends to 'ping' away. Put the roller at right-angle to the muscle.