Leather Bit Keepers, sometimes called bit loops, attach the top portion of the full cheek to the bridle's cheek piece. They help stabilize the mouthpiece of the bit, preventing both sideways movement and forward rotation. Bit keepers also enable optimal communication to the opposite side of the horse's muzzle when a single rein is used.Tory Leather Bit Keepers are made from quality leather. These keepers attach to the top of a full-cheek bit to the bridle strap in order to keep the bit cheek pieces upright. Sold in a set of two.