Multi function neck and shoulder massager H818A. Multi function neck and shoulder massager H818A from our factory share our after ... : 1, Old frozen shoulder, cervical spondylosis, exhaustion due to neck, shoulder, back pain 2, Heavy housework busy 3, Long- ... on the human body and neck, back, waist, hips, Legs and other parts were strong and rhythmic massage, acupuncture and fatigue can hammer muscle ...