RAD - RoundsWith three different firmness levels, RAD Rounds tackles knots and knotted muscles in hard to reach places. The neck, hands, facial muscles and feet are not left out of the fun. These are target devices, so their effectiveness cannot be measured against a tennis ball or similar. For a more precise or concentrated massage, pop them in a RAD Block! La principale diffrence entre les Ronds RAD et les autres outils de massage est la prcision. En effet, on