Designed by a chiropractor to relieve sore, aching backs, Spine-Worx® is the easy to use relief you've been looking for. It gently guides misaligned vertebrae into their correct positions so tense muscles relax and stretch, helping to relieve back pain. Unique padded contours apply even pressure where it's needed. Spine-Worx® conforms to the normal, natural shape of your back so you can't over-adjust. Designed for anyone 5' to 6' 4". Weighs only 2 lbs. 24" x 8 1 / 2" x 4".