Spine Roller is based on Acupressure and Magnetic therapy. It consists of magnetic wheels for better result. Use with gentle up and down pressure on both side of spinal column from neck to hip and the stroke can be extended up to leg. INDICATION : Useful for backache and spine trouble. Tone up of spinal nerves and revitalizes total body removes stiffness. Office bearers may take use daily for 5 minutes to avoid unnecessary backache. It can also be used as a massager