Very good video showing how to tie a constrictor knot (hitch).
Много добро видео с обяснение как се връзва възел “констриктор”:

https://www.facebook.com/reel/925672185428132

https://www.facebook.com/reel/1058932998748146

And wikipedia article for reading: https://en.wikipedia.org/wiki/Constrictor_knot