Thorex massager is the solution to all your muscle cramps and tight knots. The massager is designed in a specific way that targets certain areas of the back. The wheels help dig in the tight knots of the back, releasing pains caused by sitting in wrong postures for hours. Thorex massager is a heavy-built, extremely durable, and can last for a long time. Relieve your pain and get rid of any soreness in a few weeks with Thorex.