The next lateral movement Michael works with is shoulder-in. In this short video, he explains and demonstrates executing a shoulder-in. He does not look for the exact bend and position that he would want under saddle. Rather, he looks for an attempt and basic positioning to give him a place to start teaching it to the horse.
DT On Demand members can watch the full video by clicking here.
If you are not a member, you can sign up for a 10-day free trial with subscription by going here: https://ondemand.dressagetoday.com/join.