Pain Relief Back Stretcher

Features:Adjustable gear which allows you to adjust to the position that suits you the most and the back bow angle can be adjusted according to needs, so as to suit waist exercise needs. Simulation finger massage, acupuncture touch, advanced PP material, durable, there are 150 massage contacts. Arc stretching. Whether you are using in while sitting or lying down, it helps provide your back a better posture and relief  Specifications:Material: ABS / MagnetsProduct color: Black with BlueProduct design: W1 acupuncture colorful style, W2 black yoga belt style.Product size:  Approx 14.57*9.65"Instructions:1. Put the Magical Back Stretcher on the bed or stall, adjust the appropriate tensile strength.2. Place the spinal correction plate behind the buttocks, and the rear Part of the product faces the buttocks.3. Lie down slowly.4. Correct posture: sideways and arm support. How To Use: 1.Sat down and back close to the bow portion, keeping the knees bent, slowly lie down, the end product