Trident loop
{{Short description|Fixed loop knot which can jam when heavily loaded}}
{{Knot-details
| name=Trident loop
| image=TridentLoop06.jpg
| type= loop
| strength=
| origin=
| related= Ashley's bend, Figure-eight knot, Zeppelin loop
| releasing=
| uses= Forming fixed loop in end of a line
| caveat=
}}
The trident loop is a fixed loop knot which can jam when heavily loaded. It was proposed as a replacement for the figure-of-eight loop for use in climbing by Robert M. Wolfe, MD, who developed it as a loop form of Ashley's bend. While some tests indicate its strength lies somewhere between the weaker Bowline and stronger figure-of-eight loop, the trident loop shows exceptional resistance to slipping in shock-loading tests.Geoffrey Budworth, The Complete Book of Knots (London: Octopus, 1997), 94.
Tying
Image:TridentLoop01.jpg|1. Start with a rope end.
Image:TridentLoop01.1.jpg|2. Start an overhand knot, leaving enough rope for the loop and the rest of the knot.
Image:TridentLoop01.2.jpg|3. Complete the overhand knot.
Image:TridentLoop02.jpg|4. Form the loop by wrapping the working end around, and then form a bight in the working end.
Image:TridentLoop03.jpg|5. Feed the bight through the overhand knot.
Image:TridentLoop04.jpg|6. Wrap the remaining working end around the back of the knot.
Image:TridentLoop05.jpg|7. Feed the working end up through the bight.
Image:TridentLoop06.jpg|8. Tighten. This is the completed loop.