Jump'in Flexible Rubber Combination BitWe love this bit because it is great for strong horses without being too harsh in the mouth! Features a 19 mm thick mouthpiece composed of a metal core covered in natural rubber. The Combination bit is a hybrid between the Hackamore and the standard bit. It splits the pressure between the horse's mouth, poll, jaw, and nose. By splitting the pressure points, the Combination bit gives the rider as much control as possible while still being very soft on