As they ask for the canter, the mare becomes wiggly, so they work the shoulder fore at the walk until she is bored with it before going to the canter. They show a good example of using the counterflexion to correct the shoulder. With several walk canter walk transitions, the connection becomes even better. They ask for a simple change across the diagonal. She shows a little tightness to the right, and they use the leg yield on the circle to help.