Multi-Level Back Stretching Device Back Massager Lumbar Support Back Stretcher Support is a convenient at home back pain treatment and preventative care product. It's a simple, passive way to gently stretch your entire back, helping to eliminate the source of your back pain and restore your natural back curve. How Does It Work? When lying down on Magic Back, gravity allows the front of your body to effortlessly stretch out and upwards, and the surrounding muscles start to relax, gently decompressing the discs in your vertebrae, realigning the spine, relieving tension and pain.You'll be amazed by how good you feel after just one use! As you get more advanced and flexible, you can adjust the curve on the arch to a more advanced setting, and in no time, you'll be walking taller, and with more confidence as your posture will improve.