I've finally eliminated the need for constant hone touch-ups from my life, but I changed a bunch of things at the same time, so I'm not sure which one did the trick, or if it was a combination of things, which ones are more important:

1. Set a decent bevel when I DO hone
2. Switched from hollows to wedges
3. 20 passes on linen daily, 50 if the edge needs restoration
4. Of course my technique is always improving

Unsolved mystery: will steps 1,3,4 allow me decent longevity from a hollow? I aim to find out.

One interesting note: heavy use of the linen might be convexing my edge. I say this because, after I've been doing this a while, I have an edge that still shaves great and catches the standing hairs on my arm with a nice grabby feeling, but will not pass the HHT or even the TPT (I can even press the edge into my thumbpad & not get cut). Of course this is just a guess. Without an electron microscope I can't see what's going on.

So far the SHT seems to be my most reliable predictor of shaveworthiness: skim the blade through your arm hairs above the skin (do not touch the skin). If the edge feels grabby & catches hairs all along its length, it will shave.