The Sharper Image Power Percussion Deep Tissue Massager is the post-workout recovery tool you need and the muscle repairer you deserve. This state-of-the-art massager uses percussion to target sore muscles and tight knots, helping you unwind after a long workout. Choose from the 6 speed settings to suit your body's needs and help break up lactic acid. The whisper-quiet motor and ergonomic soft grip ensure a relaxing and comfortable massage every time.