Professional's Choice Combination Series - Three Piece Twisted Wire Bit"This mouthpiece offers similar benefits of the twisted wire snaffle with added flex and bend." Brittany Pozzi "The combination is a great transition from the o ring. The combo uses the rope nose and gag to simultaneously ask the horse to break at the pole and give you more leverage. I like this bit for training, tuning, and competing." Brittany Pozzi Mouth: 5 1 2" Rings: 3" NOTE: This bit will rust when exposed to moisture. This creates a sweet taste