>>12821598OP here; as was said, it's impossible to change the actual hem, but you can get the jagged effect through careful application of the skintones and shading (the similar-colour outliney thing is also really useful)
I wish I didn't suck so much at explaining this
Incidentally, I almost gave her a black underdress to avoid the 'skin fabric' look, but it ended up looking okay imo so I didn't
Also, doing Morty next. If this thread's still alive when tonight rolls around, I'll post it.
I can already tell that scarf's gonna drive me insane