1st practice without the knife.
Lay out the cord in a flattened S, with most of the cord hanging off of the bottom of the S.
Pick it up in a bundle, flattening the S from top to bottom. Start by holding the bundle in your right hand and wrap with your left until you run out of room, then switch hands & jobs (please not the careful and tactical use of the ampersand!)
Wrap the longer end of the cord around the rest from left to right. To secure the end slip it thru the loop that is formed when you get near the end. Do the same thru the loop move with the end that didn't move, the top of the S. It should go in from the opposite side to look neat.
Oh, where does the knife fit in?
The knife goes in the top left loop of the S at the beginning of the operation
I hope this is understandable, it makes sense to me

Fiddle with it, you'll see it start to form and there'll be no stopping you.
Next week: The "monkey fist"
Ebbtide out.
(edited fer spillin')