- Built-in heating pads provide steady hot traction for the neck and cervical spine. The heat promotes blood circulation to help reduce inflammation in the cervical spine, nerve roots, joint capsules, muscles and other tissues, and symptoms may disappear. - Ergonomic design conforms to the natural neck curve to protect neck and sensitive areas from uncomfortable compression; traction and fixation are adjustable for a personalized fit. - Self-controlled neck traction kit offers strong, comfortable support that addresses nerve tissue and minor cervical spine issues; helps relieve neck pain, numbness, headaches, dizziness, stiff neck and fatigue. - Front and back support: Front jaw height is adjustable across five levels to fit different neck lengths; Back support includes high temperature and low temperature hot compress physiotherapy tablets to relieve fatigue and promote circulation.