Electric Chiropractic Corrector Tool 9 Strength Frequency Spine Massager Adjusting Instrument 100‑240V US Plug Item Type: Electric Spine Chiropractor Material: ABS Strength Setting(P+, P-): "1"= 100N, "2" =200N, "3"= 300N, "4"=400N, "5"= 500N, "6"= 600N, "7"= 700N, "8"= 800N, "9"= 900N Frequency Setting (F+, F-): 1 to 9(slow to fast) 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. How e: 1. When used, it is forbidden to hit the gas.  2. According to the use needs, adjust the bottom massage head  Operation Instructions:  1. Power on.  2. Place the handle of the spine chiropractor on the palm of your hand. Place the rubber tip on the part of the body to be hit, adjust the force and frequency, and press the wrench of the spine chiropractor to start using. 3. Frequently use high frequency, please add lubricating oil appropriately.