Relax with a full back massage, the proven Shiatsu effect. The Sharper Image Quad Roller Dual-Action Shiatsu Massage cushion with heat allows you to have the benefits of a full massage chair in a cushion. Programmable control with 6 programs melts away tension muscle pain & fatigue. Choose from deep-kneading Shiatsu or rolling massage as 4 independent rollers travel up and down while penetrating relief in under a minute. Use spot Shiatsu and Perfect-Fit to customize the massage to your ba