1Knob Adjustment: Ceramic neck traction device is designed with two knobs, the front knob can adjust the height of the neck support, and the rear knob can adjust the tightness. 2Keeping Balance: The cervical neck traction device is made of a steel frame, with simultaneous traction on both sides to keep balance. 3PE Plastic: The cervical retractor is made of PE plastic material, which is light in weight, the breathable material is not stuffy, and can be worn for a long time. 4Strong Practicality: Cervical collar can be used to support the cervical, preserve the cervical, fix cervical fractures, and make the cervical comfortable . 5Small Lightweight: Neck pain relief device is light in weight and will not put extra cervical pressure on the cervical spine.