Feature:1. Powerful Force: Chiropractic adjustment tool provides stable and powerful force, more effective and more comfortable massage.2. Multi Uses: Spine adjuster tool can be used for joint relief, cervical spine adjustment, thoracic spine massage, cervical spine massage, and body massage for health care.3. 10 Levels Adjustment: Manual chiropractic tool has 10 levels to adjust, that is 30N, 60N, 90N, 120N, 150N, 180N, 210N, 240N, 270N, 300N.4. With 4 Function Heads: Exquisite workmanship, equipped with four interchangeable heads, one machine can be used for multiple purposes, which can meet the needs of different people.5. Easy To Use: Lightweight, safe, durable, portable, sturdy home massage tool for everyone. 15 minutes a day reduces stress on your neck and is more effective than chiropractic.How to Use:1. When in use, it is forbidden to hit the air, and there must be point of force on the rubber head.2. According to the needs of use, adjust the bottom and select the function head3. Speed adjustment: Screw down the previous section to increase the strength, and screw it up to decrease the strength.4. Place the handle of the chiropractic adjustment tool on the palm of your hand. Place the rubber tip on the body part to be hit and apply downward force.