Features： 1、Reduce Fatigue: Manual chiropractic tool can provide stable and powerful force, give you effective and comfortable massage, use 15 minutes a day, can reduce the pressure on the neck. 2、Easy Operation: Vertebration manual massager adopts the latest spring technology, with strong force and smooth hitting, the handle is easy to pull up and can be operated by girls. 3、Pressure Massage: Spine adjusting tool imitate human hand massage, help to adjust bones, straighten the spine, immediately dredge and upright, get rid of pain, and make people refreshed and energetic. 4、 Stainless Steel: Chiropractic adjusting massager made of stainless steel material, which is firm and sturdy, corrosion resistant and rust proof, stable and durable for use. 5、Multifunction: With 3 heads and 10 strength levels, suitable for scoliosis, thoracic and spine pain, can be used for joint relief, cervical spine adjustment and massage, thoracic spine massage, body massage and health care. Specification： Item Type: Chiropractic Adjustment Tool Material: Stainless Steel Strength Adjustment: 30N, 60N, 90N, 120N, 150N, 180N, 210N, 240N, 270N, 300N Size: Approx. 15.5 x 8cm / 6.1 x 3.15in Function: 1. Body massage: provide stable and powerful force, more effective and more comfortable massage. 2. It is suitable for scoliosis, thoracic and spine soreness, and can be used for joint relief, cervical spine adjustment, thoracic spine massage, cervical spine massage, and body massage for health care. 3. The principle of physical pressure massage: imitate human hand massage, adjust bones, straighten the spine, immediately dredge upright, get rid of pain, and make people refreshed and energetic. It can be in contact with the skin under 2.3cm to effectively adjust the bones and massage once to make the relaxation time longer. Adaptation Symptoms: 1. Neck syndrome: headache, dizziness, insomnia, restricted neck movement, neck pain, numbness in the arms, and neck movement disorders. 2. Chest syndrome: back pain, shortness of breath, loss of appetite, gastrointestinal disorders, 3. Lumbar syndrome: acute and chronic low back pain, lumbar disc herniation, numbness of legs and feet. 4. Pelvic syndrome: sacroiliac joint subluxation, sciatica, toes 5. Scoliosis: prevent traditional spinal health degenerative diseases. Taboo: 1. The eyes and the surrounding area, the myocardium, the spinal cord, the gonads, the kidneys and the liver. 2. Blood disorders, coagulation problems or the use of anticoagulants. 3. Polypus in the area of treatment. 4. Thrombosis. 5. Tumor diseases. 6. Polyneuropathy. 7. Growing cartilage in children. 8. Therapy using corticoids. 9. Inapplicable on areas in proximity to large nerve bundles, bundles, blood vessels, the spinal cord and the head. 10. Heart disease, diabetes, pregnant women, and other major diseases. Package List： 1 x Manual Chiropractic Tool 1 x Storage Box 1 x English Manual 2 x Rubber Cover 5 x Rubber Rings 3 x Function Head