Hey Allan,
Take it easy on that rope! Yer gonna wear it out, jerking it like that.

I confess to not appreciating your video presentation style, which is oriented more toward showmanship and less to practicality, IMO. However, this particular video leans more toward the practical, and so I do appreciate it. It's quite similar to the method shown here...
https://www.youtube.com/watch?v=0oDa0jLSG8s, making it useful for tying the ABK on a weight-tensioned rope. One noted difference is the resultant versions of the ABK.