The beaded mouthpiece in the cage gives more width which distributes contact over a larger area of the lips and bars. The beads in cage has an oval profile so that as it rotates in the mouth it does not give an abrupt change. The center piece is the cricket which encourages the tongue to stay active which helps keep the jaw soft, and the mouth moist. Saliva helps neutralize acid in the stomach.
The difference between a CRICKET and a ROLLER
The cricket is made of steel and has an uneven center hole that is mounted on a square center bar. This creates a cricket sound when the horse rolls it with his tongue. The more motion the horse has with his tongue the more relaxed the lower jaw is. The relaxation of the lower jaw …