Centaur Blue Steel Slow Twist Eggbutt Full Cheek BitWe love this Centaur Blue Steel Slow Twist Eggbutt Full Cheek Bit because it helps horses that evade direct rein pressure or tend to open their mouth when training. The full check and slow twist make this a more extreme corrective bit than your standard snaffle. Our Blue Steel bits are made of a technologically advanced version of Black Steel (traditional Sweet Iron) Blue Steel oxidizes faster and easier compared to Black Steel Will oxidize when in