The half hitch is a simple overhand knot, where the working end of a line is brought over and under the standing part.
Complete with a half hitch, moving around the object in the same direction as the first turns, as for a clove hitch.
Traditionally, a double half hitch has been used to tie off tennis string, along with a starting knot.
The solution, shown at right in the diagram, is to add a half hitch, a simple overhand knot.
The man who tied them was evidently well versed in his study of the half hitch and the slipknot.
He took the working end of the rope and added an additional half hitch for safety.
Ramsey freed the half hitch, again tugged on the line.
The result is a flattened loop which is held at each end by a half hitch.
At the last link, a half hitch is tied to stop the rope from coming undone.
Made of a simple half hitch over the hook, it will only hold when subjected to constant tension.