[ She fishes out the petticoat, smoothing her fingers across the waistband. Before dropping down and holding it open for her to step into it. ]

This goes under your dresses. It will give you a sight more warmth in the winter. Stops the dress from being too thin. Or immodest, as they might call it.

[ and once she's in it, she works it up her body. Looking for the button to clasp the thing and tugging that little to make sure it was settled properly before doing it up. ] Every woman such as I see wears this manner of under clothes. If a little different.