DMI Over Door Traction Setis for use over a door, it is easy to use and easy to set up. Just mount the traction kit to any closet door that is not currently being used, set the needed weight by filling the bag with water to the desired graduated scale and then put on the head halter as directed. The traction device can bring needed relief for individuals with neck pain or cervical pain. It provds Cervical Traction Therapy to patients at home or at the office when relief is required. The amount of traction force is easily adjusted by adding or removing water from the vinyl water bag with graduated scale.