My favorite movie scene of all time is John Wayne in Rooster Cogburn, where he's meeting the bad guy across an open field and they've come to the conclusion that they're gonna have a shoot-out and he hollers at him "Fill your hand you Son-of-a-B!tch" and takes the reins in his teeth and takes off like at a full gallop like a knight in a jousting tournament, firing a lever-action rifle in one hand, twirling it to re-load, and a pistol in the other. Now THAT'S a horseman!
Now that is a good seat and rein control. I love that movie:')