Constrictor knot
similar to a clove hitch but with one end passed under the other, forming an overhand knot under a riding turn
en-GB/kənˈstɹɪktə ˈnɒt/
en-US/kənˈstɹɪktɚ ˈnɑt/
similar to a clove hitch but with one end passed under the other, forming an overhand knot under a riding turn