JUMP'IN French Mouth Sweet Iron Bit + ToyComposition: This French mouth bit features 90 mm rings and 13 mm thick cannons made from Blue Steela specialized alloy composed of 54% carbon and 46% manganese. Blue Steel is renowned for its ability to oxidize upon exposure to air and moisture, forming a thin layer of rust that imparts a sweet taste, encouraging saliva production and increasing the horse's acceptance of the bit. Over time, the bit will develop a greyish brown patina. Effect: The bit