Bombers Full Cheek McHardyThe Full Cheek cheek piece, will have the same effect as the traditional Eggbutt in so much as, it will prevent pinching on the sides of the mouth, however the extended pins above and below the bit, firstly prevent the bit being pulled through the mouth and secondly have the effect of guiding the horses head which is great for schooling and training purposes. A horse shaking its head when bit pressure is applied or its tongue trying to escape the bit