Originally Posted by Woodstock77
What exactly is open rein?
You move the rein sideways away from the horse's neck in the direction you want to go. You don't pull backwards but only open sideways.
I tried to find a video but wasn't so fortunate..
But imagine you have both your hands the same distance away from the horse's neck (so no wider than shoulder width apart) and then say you wanted to go left, you'd take your left hand with the **rein and 'open' it to the left away from the horse's neck