This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Blackwall hitch. LadyofHats Blackwall hitch this is diagram on how to tie this knot it is based on the diagrams found on this troop org html website and the ones found in this other wokingseacadets org uk htm site as references the image was made in adobe illustrator and was finished on the feb References The Ashley Book of Knots