TO PUT ON AND TAKE OFF THE BIT AND BRIDOON BRIDLE (MODEL 1909). =184.= Before bridling the curb chain is unhooked on the near side The instructor commands: =BRIDLE=. Take the reins in the right, the crownpiece in the left hand; approach the horse on the near side, passing the right hand along his neck; slip both reins over his head and let them rest on his neck; take the crownpiece in the right hand and the lower left branch of the curb bit in the left hand, the forefinger against the mouthpiece, the snaffle bit above and resting on the mouthpiece of the curb bit; bring the crownpiece in front of and slightly below its proper position; insert the thumb into the side of the mouth above the tush; press open the lower jaw and insert the bits by raising the crownpiece; with the left hand draw the ears gently under the crownpiece, beginning with the left ear; arrange the forelock, secure the throatlatch, and hook up the curb chain on the near side below the snaffle bit. The bridle is adjusted as prescribed in par. 302. The throatlatch should admit four fingers between it and the throat. =185.= At the discretion of the instructor, the halter may be taken off before bridling, the reins being first passed over the neck; the hitching strap, if not left at the manger or picket line, is tied around the horse's neck; if the horse be saddled, in the near pommel ring. =186.= The instructor commands: =UNBRIDLE=. Stand on the near side of the horse; pass the reins over the horse's head, placing them on the bend of the left arm; unhook the curb chain on the near side; unbuckle the throatlatch, grasp the crownpiece with the right hand and, assisting with the left hand, gently disengage the ears; gently disengage the bits from the horse's mouth with the left hand by lowering the crownpiece; place the crownpiece in the palm of the left hand, take the reins in the right hand, pass them together over the crownpiece, make two or three turns around; the bridle, then pass the bight between the brow band and crownpiece and draw it snug. The bridle is hung up by the reins or placed across the saddle on the blanket. If the horse has no halter on, unbridle and push the bridle back so that the crownpiece will rest on the neck behind the poll until the halter is replaced. =187.= =Stand to horse=: At this command each trooper places himself, facing to the front, on the near side of the horse, opposite his head, and takes the position of _attention_, except that the right hand, nails down, grasps the reins, the forefinger separating them, about 6 inches from the bit. The bights of the reins rest on the neck near the pommel of the saddle. =188.= =To lead out=: The troopers being at =stand to horse=, to leave the stable or picket line, the instructor commands: =LEAD OUT=. Each trooper, holding his right hand well up and firm, leads his horse, without looking at him, to the place designated by the instructor.