Jump'In Double cannon bitComposition: German Silver (65% copper, 23% zinc, 12% nickel) is a relaxing and solid alloy. Effect: the large flat rings offer a better direction and a light lever action. The double cannons are asymmetrical. Tips: this bit helps correct the horse's balance between the left and right hand, and so to keep it perfectly balanced. Maintenance advice: rinse the bit after each use to prevent any residue deposit and to prevent your horse from feeling any