[ Also pondering this. The only person she'd call on it would be Sanji, though, and they already have the communicators... So it really would just turn into a pet for her. And I promise you, she'd make it a lot worse. Lucy the Happy Berry Angel-snail. How's that sound? ]
If Miwako gets a Den Den Mushi, though, Sanji-sama has to get a cell phone~ Okay? I can teach you how to use it.