Feature:1. 304 Stainless Steel: Made of high quality stainless steel material, corrosion resistance.2. Easy to Use: Lightweight, safe, durable and portable home massage tool, suitable for all people to use.3. Relieve Pain: 15 minutes a day can relieve pressure on the neck and is more effective than chiropractic therapy.4. Good Mechanical Properties: Heat resistance and low temperature resistance, with high strength and excellent mechanical properties.5. Wide Uses: Suitable for scoliosis, thoracic and spinal pain, provides stable and powerful strength.How to Use:1. When using, it is forbidden to hit the air, and the rubber head must have force.2. Adjust the bottom massage head according to the use needs3. Speed regulation: the front of the section down, the strength becomes larger, twists up, the strength becomes smaller4. Put the handle of the spine correction massager on the palm of your hand. Place the rubber head on the part of the body that needs to be massaged and apply force downward. Pull the black part of the spine correction massager into your palm and pull it back and forth.5. Frequent use of high frequency, please add appropriate lubricating