She gets the stuff that's deep, right against their cloth scalp, as it were, where Frisk couldn't get so easily. Her claws make short work of it, and eventually, they tug an actual piece of...something that was on a plant at some point, she guesses, and tosses it over her shoulder.

"If you want hair pins or something someday, I know someone who can hook you up. Frisk doesn't ask questions about our changes," Undyne says eventually. "Which is weird, but they're weird. I'm not into that sort of crap, but I know some nerds that love to accessorize."