One occasionally sees the 'Roman sandal' method. It is *very* difficult to find 2 descriptions of the Roman sandal that are the same, but basically the two threads are wrapped around the tube as shown.

This may be with (red arrow) or without an extra knot near the bottom. pic.twitter.com/TrBoMVKoEn

— Ron Barbosa MD FACS (@rbarbosa91) July 6, 2023