<b>The 3 heights adjustable lumbar back stretcher with comfy cushion foam and 96 acupuncture massage points design, which improves blood circulation and helps relieve lumbar fatigue when used after work or exercise, it also helps correct the spine curve and gradually restore the healthy curve (26°) in a period of usage.</b><p><b>How Does It Work?</b><p>When lying down on back stretcher,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.<p><b>How to use?</b><p>1. Place the lumbar support on flat, then adjust the back stretcher to the height you need. (Tips: Don't be too quick to try high level before you advance to them.)<p>2. Sit with your back to the arch.Slowly lie back onto the support arch with your knees bent. <p>3. Keep the lumbar traction device close to your lower back, mid-back or upper-back. <p>4. Align your spinal with the central part of the spine corrector and slowly exhale. <p>5. Stretching your arms, back and leg, keep calmly breathing. <p>6. After stretching, gradually sit up and stay for 30 seconds before standing. <p>7. The optimal stretching time is 5 to 15 minutes at a time and twice a day, morning and night.<p><b>Warm Tips:</b><p>1. Using the device 2-3 times a day for 5-10 minutes a session.<p>2. Don't use lower back stretcher within 20 minutes after meals.<p>3. Pregnant women should consult their doctors before using them.<p>4. Improving posture or back stretching may cause temporary discomfort.<p>5. If you have recent surgeries or back injuries, consult your doctor before using this product.<p><b>Package Contents</b><p> 1 x Back Lumbar Stretcher with Cushion Foam<p>1 x Manual Instruction<p>1 x Strap