Features： 1、Cervical Spine Massage: Applicable 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. 2、Principle Of Physical Pressure Massage: Imitate human hand massage, adjust bones, straighten the spine, immediately dredge and upright, get rid of pain, and make people refreshed and energetic. 3、Replaceable 4 Head: Equipped with 4 function head, easy to replace and use. 6 gears of strength are adjustable, you can regulate it according to needs. 4、Simple Operation: Suitable for everyone. 15 minutes a day, can reduce the pressure on the neck. The handle of this massager is easy to pull up and can be operated by girls. 5、Stainless Steel Material: Manual chiropractic tool is made of stainless steel, which has corrosion resistance, heat resistance, low temperature strength and good mechanical properties. Specification： Item Type: Chiropractic Adjustment Tool Material: Stainless Steel Strength Adjustment: 50N, 100N, 150N, 200N, 250N, 300N 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. Cervical syndrome: headache, dizziness, insomnia, limited neck mobility, neck pain, arm numbness, neck movement disorder. 2. Thoracic syndrome: back pain, shortness of breath, poor appetite, gastrointestinal disorders. 3. Lumbar syndrome: acute and chronic low back pain, lumbar disc herniation, legs and feet numb. 4. Pelvic syndrome: sacroiliac joint subluxation, sciatica, toe feet. 5. Scoliosis: the prevention of regressive lesions of the conventional spine health. Package List： 1 x Manual Chiropractic Tool 1 x Storage Box 1 x English Manual 2 x Cover 4 x Ring 4 x Function Head