Modified Figure Eight Knot Loop
This knot jams tight and can be difficult to undo.
That makes for a secure lanyard, zipper pull, key ring fob, etc.
This is ABOK 533.
Form a Z shape with the right side end of your cord.
Bring loop 1 over the standing end of the cord.
bring working end (WE) over, under through the loop.
Grab the loop at * and bring it over, under and over.
Tighten slightly.
Grab loop with left hand and WE with right hand,.
Pull in opposite directions to capsize bight * into a sharp angle.
Standing end (left hand end) is now under the WE.
Turn knot over and tighten