Jump'In French mouth bit central ringComposition: German Silver (65% copper, 23% zinc, 12% nickel), a relaxing and solid alloy. Effect: the large rings give a slight lever action and, most of all, a better direction. The cannons are slightly thinner than the standard size. Tips: the central ring gives a bit more action to the hand. It will lead to the horses slightly giving in, which helps hold them up. Maintenance advice: rinse the bit after each use to prevent any residue deposit and