AY Honors/Knot/Two half hitches
From Pathfinder Wiki
This reliable knot is quickly tied and is the hitch most often used in mooring.
- Pass end of rope around post or other object.
- Wrap short end of rope under and over long part of rope, pushing the end down through the loop. This is a half hitch.
- Repeat on long rope below first half hitch and draw up tight.