Excellent pre-ride warm up tool that encourages the horse to use his body properly and build an athletic topline. Develops topline and neck muscles for a more athletic frame. For horses ridden with or without contact, it allows the horse to find his own comfort in the bit, without interference from the rider's hands. Horse is able to change directions and move as freely as they would under saddle with a rider on board. Makes either Western or English horses lighter in your hands when ridden. Can be used with a bridle of your choice or a well-fitted HYBRID Halter. Cannot be used with a rope halter.