DESC: The Overdoor Traction Set will help those who suffer from back problems. Attach this set to the back of a door and add water to the weight bag to relieve pain. Complete instructions are found inside the package. This set consists of:Set of traction hardware20 lb. water weight bagVelcro head halter2 metal pulleysTraction cord Warnings: The Overdoor Traction Set will not reduce hanging skin from under the chin or make you grow taller. This product can be considered a torture device in certain countries. Please check with your local government regarding all legal issues. Do not use as a strangulation method.