AJR Copper Key Swale BitWe love the Copper Key Swale as a simpler alternative to the double bridle. This design works by featuring movable rings above the mouthpiece and by creating leverage on the shanks. The swale bit can be used with two reins, one on the loose rings which will offer slightly softer support and the other on the bottom ring for leverage. Alternatively, it can be used with one rein by the means of a converter. The amount of leverage increases with the