Check the listing for details. PSO-Spine Back Massage Tool Muscle Release Deep Tissue Massage Tool Sunset Red. Color: Sunset Red, Condition: New. Listed at 32.99 USD. advanced spine massage tool: full back massager and self-massage tool that relieves tight muscles on the left and right of the spine. turn your office chair, airport seat, and car seat into a massage chair with this deep tissue massage tool.simple and strong design: the 5-peak design of the pso-spine gives you different options to apply pressure on your spinal muscles. the stable structure gives you the freedom to massage any part of your back or hip that has muscle tension, soreness, and pain.your massage therapist in your hands: patented design mimics the fingers, knuckles, hand, and elbow. think of this hip massager as a therapist you can access 24/7. use at home, at the gym, at the office, or at the airport during a long day, a long trip, or any time you feel back discomfortversatile and precise: targets deep, specific and difficult-to-access muscles. this back massage tool helps keep your spinal muscles healthy and your nerves functioning properly to prevent some of the problems that occur from aging, injury, and everyday movement.