AJR Swivel Port Full Cheek BitThe premium sweet iron material used on the port of this Swivel Port Full Cheek Bit directly targets salivation stimulation points on the horse's tongue. The increased salivation makes the horse more comfortable by keeping the mouth soft and responsive. This mouthpiece is designed to be ported, double hinged, and rotating to provide both comfort and control. The bars of the mouthpiece are fixed between the full cheek pieces, while the port is double