V-shaped massage technology, 4-in-1 push, grasp and pinch to loosen the shoulders and backs. Shoulder and neck massage, grasping the neck, kneading, massage, tapping, shaving the shoulders, along the shoulder and neck muscle structure, imitating the master's method of grasping and pinching. Back massage, pinch, push, thump, knock back, acupressure, push back, walk up and down the back and hip muscles seamlessly massage, pinch and push to loosen the waist, back and upper buttocks. The maximum opening is about 25cm, covering the entire back pain area. Eight master massage techniques, S-shaped ergonomic guide rail design, fit the human spine curve. Three massage itineraries, choose the massage interval independently. Detachable headrest, remove the headrest when massaging, enjoy a deep massage, put down the headrest when reclining, enjoy a relaxing massage. Exquisite diamond design, highlighting the quality of life, full leather cover design on the back, breathable and wear-resistant.