Detail: Designed with powerful floating action to provide a positive massage through the finguretips scalp,face and neck,built for years of trouble-free service,can be run for long period of time without overheating. How to attach to hand: 1. With palm of hand down,insert all FOUR FINGURE into the rear spring strap.Either hand can be used. 2. Insert the two middle fingers only into the front spring strap. 3. Push machine back on hand so that the front small rubber pad transmits the vibration to these fingers. How to Use: After the machine has been adjst to hand as described before , push on switch and stat massaging by applying the two middle fingers to the palm of the body which is to be massaged.Applications should be firm, but not too harsh, enough pressure should be applied to throughly exercise the skin and muscled and stimulate blood circulation .When massaging scalp or body,curve fingers of hand slightly.... holding machine downward and using cushion tips of fingers as applicators. when massaging face,hold the fingers straight and lightly pat the skin with tips of the two vibrating finrures .