Lucie gave her Eye, thinking it'd be the easiest punishment, in the long run, due to her position on the Body .
Mitzi had her Ear cut, Thinking the Punishment would only be a Moment of Pain, for a Longer Life.
Nancy, had given up her voice, in hopes her Sisters would convince someone to remove the Binding...
However. They haven't, simply because they envy her painless, and simple punishment.