Professionals Choice Bit: This cool bit comes from Professionals Choice's Dot Shank Collection. This weighted cheek allows for more control and added poll pressure while maintaining clean lateral movement. The cheek pieces are polished steel with decorative dot designs. Hinged Port. Mouth: 5 1/4" Cheek: 6". NOTE: These bits will rust when exposed to moisture. This creates a sweet taste in the horse's mouth and promotes salivation. PCB-144