You can use it for finger and grip exercises or for reflective massage, e.g. on the back, neck or feet. With the nub ball you strengthen your muscles, relax or promote your blood circulation in a pleasant way.
The nub ball "1773-5EG" is available in a set of 2 - including instructions.
|Product Name:||ENERGETICS Knobbed Balls Pair - yellow|
|fitness accessories version:||Massage|