Convenient heating pad for back pain relief can heat up quickly to provide soothing heat therapy which helps relieve menstrual cramps and abdominal discomfort lower back pain, arthritis in the legs, etc. d. and also improve blood circulation. Comfier lower back massager is designed with 4 massage motors Provides vibration massage to further relieve stiffness and pain in the neck and shoulder muscles , lower back, waist, hips or legs.