I think what you're looking for is a constrictor-type knot. There are a few options here: https://www.animatedknots.com/?s=constrictor https://www.animatedknots

I think what you're looking for is a constrictor-type knot. There are a few options here: https://www.animatedknots.com/?s=constrictor https://www.animatedknots.com/?s=constrictor