Looks like, as expected, trying to appearify your mother as a kid from the past would have created a paradox, so her paradox slime is the result. But QUITE unexpectedly, bringing her scarf along for the ride seems to have created no conflict, and you swiped it right off her neck! Young mom probably has no idea what the hell just happened to her scarf. This is so exciting!
You are SO gonna wear that thing, you don't care HOW mom-gooey it is.