sensitive bit with tongue relief black 125 mmThe revolutionary Acavallo Mullen ported D ring bit is made from a cutting edge anti allergic plastic material, replacing the traditional heavy, cold metal alloy. Featuring integrated, flexible steel reinforcement, this bit offers smooth, highly secure control for your horse. The one piece design of the mouthpiece and rings prevents one sided compression or pinching of the tongue or jaws, as well as reducing unpleasant irritation on the palate. This