Dave,
Can it be this knot?:
http://knopen.ismijnhobby.nl/diverse/single_carrick.gif
Yep, that's it! I did a horizontal flip of your picture, and if we imagine the black Working End coming around and becoming the red Working End then the result is the same as in the pictures I posted.
As I continue to look, please tell me if I have the construction right. If I do, this is how I'd describe tying it:
Use the Standing Part (SPart - ABOK#28 ) to take a Single Turn (ABOK#40) over your Right hand, turning the SPart toward the fingers. Lead (guide, pass, reeve, take) the End around the “object” or make a “long enough” loop (ABOK#32) with the End. Lead the End directly through the first Turn, from fingers to palm. Turn the End around the doubled section of the first Turn, leading the End back through the first Turn and turning away from the subject loop. Hold the End & remove the fingers, hauling on the SPart to set the first Turn, the End to set the second, then tighten the Knot.
Yep, that’s it! As long as the Working End turns around the doubled section of the first Turn in such a way that the Working End exits the first Turn closer to your right pinky finger (rather than your thumb), then the result is the same as in the pictures I posted. I suspect that’s what you meant by, “turning away from the subject loop.”
Start as if you are going to make a bowline 'the proper way' - place the end on the Spart and twist to form a loop with the end coming up through the loop. Take the end over the loop crossover point, down and back up through the loop, but make sure that the end comes up through the loop on the Spart side of the loop - it could come up either to the right or the left of the end already coming through the loop. If it comes up the loop side of the hole it will be the collapsed Granny, if it comes up the Spart side of the hole it will be the 'quick loop knot'.
I am right handed and when I tie this knot it is a mirror image of the one you show. When I tie it left handed, it is an exact match. I have tried, but I cannot find a way to tie the Granny so that it will colapse to this configuration.
Yep, that’s it! When I use your Bowline method, I end up with a mirror-image of the knot in my pictures, just as you did. I see what you mean about the collapsed Granny, and it doesn’t quite collapse to the same configuration as in my pictures (as you pointed out).
Your photos are very detailed and I believe that this knot is the 'fast hitch' used to make simple loops intended to stay under tension.
Yes, it looks like it was a quick-tie knot which was intended to stay under tension. The tree is a crepe myrtle which blew over a bit in some high winds several years ago, and the roots were partially exposed. A yard crew drove a metal stake into the ground and tied the tree to the stake with the knot shown in my pictures. In fact, the knot held just fine when Hurricane Rita came to Houston last year!
the unusual part that I see is that, in a Single Carrick Bend, standing parts and tails are normally acting together on both sides of the knot, and therefore should both be loaded (perhaps by seizing) whereas here only one SPart/WEnd are working in opposite directions around the loop of the other SPart, where that other SPart is part of the loop around the tree, while the last WEnd does nothing but hang in mid-air! Is that what you saw also?
That's right. If we snip the loop and then un-collapse the knot, it can be worked into a Carrick-like configuration as in Willeke's pictures (above). But the way that it is used in my pictures, the last Working End just sticks out in mid-air.
Dave