Jump'In French mouth Eggbutt bit with fine rollersComposition: Eggbutt bit with 70 mm rings and standard 17 mm thick cannons made of Stainless Steel and German Silver (65% copper, 23% zinc, 12% nickel, a relaxing and solid alloy). Effect: This is a very simple bit. The rings don't slide, so the action is more direct. The rollers on the cannons make the horse constantly work on the bit and not catch it or be fixed on it. Tips: This bit is great for horses that have been worked with bits that were too