This is one scary video. Very brave, very good work TO POST IT. This must be worked against, since it facilitates so much suffering in our equines. Anky does not seek collection, and she is not getting it. She is getting restriction. When I saw Bonfire in the presumed passage, where his head...
I fully agree ThexMinE. This looks great, but unfortunately, the price many of these horses pay is very high. The Roll-kur does not allow for collection, but causes restriction. I would recommend you read Dr. Gerd Heuschmann's book "Tug of War: Classical versus "modern" dressage.
Is it possible to have the references - the research material - referred to here, so that it can be read? I would appreciate that very much.