Dan,
I am not completely following what you are saying but let me respond to what I think you are getting at. Clearly this is not a fisherman's knot but half of one with another knot. I think you may be pointing out that the combination has a name but I am not completely sure what you are saying. It was not my intention to invent a knot but rather to have something strong and tested.
As far as pre-tying and using a larkshead to attach the sheets, that was what my previous designs were. You can look up my older posts. Those designs had three shortcomings that this design solves. First is that they constrict the sheets which is a strength concern for the sheets. Second is that it is more difficult to attach than this design, although that is minor. But it turns out that this design is stronger by about 50%. With the larkshead the failure is at the larkshead and at a force about 2/3 the force that this design yields. With a smaller stopper loop, the failure would be at that end but with a larger size stopper, the failure moves to the larkshead.
Finally, of the three designs I have come up with, two use the larkshead to attach the sheets, and this one is the easiest to make, has the least shortcomings, and is strong.
If you go to the article I posted on my web site, you can see the other three designs that I have posted.
Allen
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