The Thera Cane Massager is another deceptive device that really targets the back. It may look simple, but it is one of the most effective self-massagers on the market. With 2 projections and 6 treatment balls, it is easy to administer a full back massage on yourself. Using deep compression, pain is relieved by reaching knotted trigger points and breaking up tension, adhesions in muscle fibers. Muscle function is restored and you are back to your activities in no time. Perfect for recurring injuries or any time your job, play or sleep cause undue stress on your back muscles.