Coronet Bits, Spurs, Stirrups, Irons and Accessories are made of the finest metals and materials and are held to the highest standards of quality control. Every piece is polished and inspected before leaving the factory. Close attention is paid to detail to make sure that all items will pass the criteria for breed and disciple regulations where appropriate. The eggbuttbit is mild and won't pinch the horse's lips. The mouth piece does not rotate around the ring. This bit features 3'' rings and a 10 mm mouth.