- This Sharper Image massage cushion fits on most chairs, so you can enjoy it while sitting comfortably- Its four silicone nodes help ease tension and relax your muscles - perfect after a long day- Turn on the heat and vibration modes to crank up the relaxation- Customise the speed and intensity with the included remote control- Its ultra-soft luxe padding is super comfortable, helping you to relax easier- Set the timer up to 25 minutes and feel your troubles melt away