Trust Sweet Iron Loose Ring Gag Dr. Bristol BitThe snaffle bit encourages the horse to raise the head. It is often used on horses that walk behind the bit. When taking the reins, the mouthpiece slides up and the horse gets pressure in the corners of the mouth and at the back of the neck. The bit can be used with one or two reins or with pelham straps. In most cases the bit is used with two reins, one rein is normally attached to the bit and the other reins to one of the lower rings or the end of