In my original suggestion to add the toe caps, it was to AVOID a nightmare for morph-makers.

You speak of duplicate vertices. Why are there any? The way I imagined it, the existing vertices of the foot would be used to stretch addition polygons that span the toes. I don't know how you made them, but that's what I was suggesting. The result would be that as the foot bends, or toes bend, or the toes are morphed, the corresponding sock polys would move, just like real life. Why did this entail duplicate vertices?

And the only reason I suggested them in the first place was because it is a constant complaint that conforming stockings suck ass. Since you were innovating, it seemed like something worth applying. If it seems that conforming are actually better (not easier to implement, I mean better) then by all means drop it.

If it seems that built-in is better, but the technique was non-optimal, then why not just do it differently so that duplicate vertices are not necessary?

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)