These aren't fringes. There's a fold in the middle of the dress where the left side is darker and the right side is lighter due to the lighting.
This is just left of that fold, and is completely consistent along the entire dress.
It isn't even the darkest I can find. It's the darkest that I feel is reasonable for the discussion - as you said, if I just picked a random fringe, it's not legitimate at all.
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