This forward set modified Billy Allen mouth gives a soft, even pressure across the tongue, bars, and lips. The center barrel has limited movement to prevent the bit from scissoring down into the tongue or up into the palate. The copper roller provides some movement helping to pacify the nervous horse. Argentine cheeks offer versatility, hooking reins to the middle rings offers direct rein pressure or moving reins down to the teardrop rings, and adding a curb chain provides leverage