Extremely good bit if you need help getting your horse’s legs underneath him and his rear end down. The three-piece mouth contacts the bars at a more severe angle than a two-piece, creating contact on new nerves for better control. Copper roller often quiets a nervous horse and adds slight tongue pressure for a better head set. Sweet iron mouthpiece is ideal for any horse. It will rust into a light patina to promote salivation and relaxation. Copper is a soft metal, watch for excessive wear. Stage B is all about transition with the introduction of leverage and curb pressure. Short shanked bits and half-gags comprise stage B.