Yes, although we were not "working" at liberty, the horses were just grazing in the back yard. We had given them a bath and groomed them to keep them occupied while the mare was taken away, but then we just let them loose to graze while we sat on the deck and watched them. They were perfectly calm by then. The mare was supposed to be coming back through the adjacent field which would have been fine, but instead they took her all the way around and unexpectedly showed up at the top of the yard, and when she screamed the boys turned silly, because I don't think they were expecting her to show up there, either. If my lessee and her instructor had stuck to the plan all would have been fine, but the "instructor" altered the plan because the mare wanted to come in that way, so in her wisdom decided not to let her. She actually caused a lot of problems that day, in addition to that, and will not be coming back.