A simple concept that works and no tools are required. Just twist the shanks in opposite directions and the bit size increases or decreases. Full Cheek Bit by Coronet has a patent pending design which allows you to precisely adjust the mouth size to fit everything from 4-3/4" to 5-1/2".
6" Cheeks
Note: We advise you to check with your breed or discipline association regarding any bit restrictions for competition and warm up.
