Trained to make a front laced up underbust corset, sometimes it's overbust, depends on how you prompt.

c0rs3t, corset, laces (necessary if it starts noising the laces at higher details), of varying strengths helps it out. Its would impart on other things that can have a strict waist element:

Vests

Dirndls

Shirtdresses

Seems to be fine with clipskip 1 or 2