This was sorta inspired by Frankie from Monster High. I used to love that doll line.
This is how I imagine a girl with this quirk would look like (credits to the artist that I couldn't find T-T)
Quirk: Frankenstein
Quirk Analysis: The user can detach their limbs and manipulate them as an extension of their body. Also, being a mutant quirk, the user cannot feel great deals of pain as if they were undead like their quirk implies. If a limb is lost or destroyed for over a day, the user will start to grow back their missing limbs over the course of a few hours. Basically, as long as the user's head survives, they can escape death. User is also immune to electricity attacks.
Quirk flaw(s): The more a limb is detached and reattached, the joint becomes weaker. The user can either sew the limb back on or destroy it and wait for a new one to grow back.