Waist Massager Lumbar Traction Inflatable Hot Compress Back Cervical Stretcher Massage Air Pressure Reduce Relief PainIntelligent vibration massage shakes the waist muscles through frequency changes. The band type energy dispersion allows the infrared laser to penetrate deeply into the waist. The auxiliary board can be used on both soft and hard surfaces to increase tensile strength. The warm compress can dispel cold and dampness and relieve pain and stiffness in the lumbar spine.