MK-123 Back Stretcher Lumbar Traction Device Hanging Spinal Decompression Harness Spine Reset Belt Color:S please use it to twist

please use it to twist the long screw then tight the phone holder

and vision system against impact

change and other small items

• 【Versatile Application】Compatible with mountain bikes

• Materials: Non-slip fabric

MK-123 Back Stretcher Lumbar Traction Device Hanging Spinal Decompression Harness Spine Reset Belt Color:S please use it to twistFeatures & Specifications Decompression Back Belt: Incorrect posture and overstretching will slowly cause lumbar problems. Daily stretching for 2 3 minutes to help improve back pain, relieve nerve pain and increase flexibility Multi Positional Stretching: No longer suffer from upside down. Lifting or dangling your legs will stop decompression because your core muscles will tighten. Putting your feet down allows your body to relax and increases your