If you watch many polo match or players stick n ball you often see poor horseman jagging on reins and causing  many times pain in the faithful earnest steed. You  not a good polo player no matter your handicap if you desire to seize every idea to send the pill through the posts ahead of your horses mouth.

When your horse is throwing its head up it is PAIN from bad hands of rider!

Watch the entire  of excellent horseman from Argentina and you'll learn a thing or two about  shooting goals yes but also respected horseman before anything else. Never do you see that it is an Argentine when a mount is throwing its head in pain. Argentinians know to ride in all circumstances with the soft hands on the horses mouth. Umpires should be more vigiliant and send  bad riders away if they cant  think after their mounts mouths.