The mouthpiece is made of soft, flexible plastic which adapts to the horse’s mouth in an ideal way. The material is food-safe, solvent-free and does not contain any plasticisers. The mouthpiece is reinforced with a steel cable to make it stable and to provide more security. This bit can be used on both sides, either as a straight edged flexible bar or with a low port that leaves space for the tongue. 16mm plastic mouth. Stainless steel D-rings.