Uses The Shiatsu Massage Concept Of Rotating Nodes To Give Your Feet An Invigorating Massage State-Of-The-Art Mechanism Travels Up And Down The Feet Soothing Tension, Aches And Fatigue Provides Heat To Help Ease Muscle Stiffness And Tension Features An Easy To Use Foot Activated Switch Designed To Be Used For Up To 20 Minutes At A Time