(n.) That part of a bridle or halter which encompasses the head.

back band backstrap bearing rein bit blinders blinds breeching bridle caparison cavesson checkrein cheekpiece chinband cinch collar crownband crupper curb gag swivel girt girth hackamore halter hames hametugs harness headgear headstall hip straps horn jaquima jerk line jockey lines martingale noseband pole strap pommel reins ribbons saddle shaft tug side check snaffle stirrup surcingle tack tackle trappings tug winker braces yoke