Deep Tissue Hammer Massager is designed to relieve severe tension in the muscle and the connective tissue or fascia.This type of massager focuss on the muscles located below the surface of the top muscles.Deep Tissue Hammer Massager is often recmmended for individuals who experience consistent pain,are involved in heavy physical activity,such as athletes,and patients who have sustained physical injury. Our powerful,yet lightweight Deep Tissue Hammer Massager uses two independtly rotating percussion heads to instantly relieve tense,tired muscles. The Deep Tissue Hammer Massager.Has two times the pain relieving action of a standard hand held massager.This massager is perfect for upper and lower back,shoulders,neck,thigh,calves and more.Vary the speed and change the massager heads for a variety of muscle-relaxing,stress-eliminating massage options. The ergonomically designed,14"handle is comfortable to hold and reaches even hard-to-get spots.The unique design forces the weight of the massage heads in better contact with the body. Sturdy construction for years of pain relieving massage.This is the ultimate hand held.