Thermocare Think Relax Massager is Designed with a powerful floating action to provide a positive message through the fingertips to the scalp, face, and neck, built for years of trouble-free service, can be run for a long period of time without overheating. How To Attach To Hand 1.With the palm of hand down, insert all fingers into the REAR SPRING Strap, either hand can be used. 2.inser the Two Middle Fingers Only into the front spring strap. 3. Push the machine back on hand so that the front small rubber pad just the back of the second joint of the middle fingers. The small vibrating rubber pad transmits the vibrations to these fingers.