Vissco Back Relaxer is made of soft, comfortable and durable material used as padding to relax your aching muscles and sore joints. This also features various adjustments to vibrate to ensure that the pain is relieved from the body while resting on it. This massager is an efficient tool for cervical aches and pains in the back It is easy to operate through the hand switch. It massages the para spinal muscles (muscles around the spine) by its rolling action. Infrared heating causes increased blood circulation and muscle contraction which leads to relief of pain.