Jump'In Large Ring Twisted Gag bit with a flat (90mm rings)Composition: German Silver (65% copper, 23% zinc, 12% nickel) is a relaxing and solid alloy. Effect: this bit has an action on the horse's balance. It causes the horse to rebalance and transfer its weight to the hindquarters. The larger the rings are, the stronger the gag action is. Tips: This bit requires special cheek pieces and can be used with two reins, bit loops, or four reins. The thin twisted cannons and the central flat will give more action