Centaur Eco Pure Tom Thumb Pelham Mullen BitWe love this Centaur Eco Pure Tom Thumb Pelham Mullen Bit because it helps stop the horse from leaning on the bit! This bit requires an expert hand. It combines the action of a snaffle and curb bit, it is milder with the Mullen and has no nutcracker effect. The perfect bit if you have a horse that leans on the bit or hard to stop. Engineered with Materials that pass REACHs Strict Standards, so it's safe for your horse and Mother Nature. Pelham Mullen