This correction bit is made with durable stainless steel and features a copper port to promote salivation. The port and cheeks are multi-jointed so that each side can be worked individually, allowing for more subtle cues. Rein action with this bit applies pressure to the tongue at the port joints. A helpful bit for trained horses that need precise feedback. The addition of a curb chain to this bit can help increase speed, rating, and stop.Features: Stainless steel Copper port promotes salivation Multi-jointed for independent movement For use with trained horses Add a curb chain to help increase speed, rating, and stop Measurements: 5" mouthpiece, 7" cheek, 4" shank, 2 1/4" purchase, 2" port, 3/4" headstall ring, 3/4" rein ringThe severity of a bit or hackamore is influenced by rein control of the rider and sensitivity of the horse. All riders should seek an equine professional that they trust when selecting a new bit, as every horse’s needs are unique.