Sprenger NATHE D-Ring Bit with Flexible Mullen Mouthmouth and tongue friendly lies steady in the horses mouth, no slipping through with low port steady and even pressure distribution on the tongue direct impact on the lower jaw due to fixed cheeks helps horses that tend to fall out whilst riding or approaching an obstacle Bit guards protect the lips with steel core Mouth and tongue friendly Lies steady in the horse's mouth, no slipping through Steady and even pressure distribution on the tongue Direct