Loose ring waterford mouthpiece. This bit has a chain type mouthpiece which has ball shaped links linked together and this bit it is completely movable in all directions. The Waterford mouthpiece has proved one of the most popular bits for bitting problems such as leaning, taking hold of the bit, setting the jaw ect, when the horse tries to lean or take hold of the bit, the waterford mouthpiece collapses, thus the horse has nothing rigid to take hold of.