Introduction: ABOK 784 (aka Modified ABOK 784)
This is how the finished drawing of ABOK appears in the book.
There was a mistake in the layout drawing which is corrected here.
Thanks to Whyknot for showing how to do it.
Use as a zipper pull, key ring fob, lanyard
Tie an overhand knot forming a loop.
Bring B to the right on top of the loop.
Bring A to the left below the loop.
Bring A across and down through bight a.
Bring B across and up through bight b.
Bring A up through bight a.
Bring B through bight b.