Guidance Angel

ミチビキエンゼル

The Guidance Angel or "Consultation Doll/Angel" (ミチビキエンゼル, Michibikienzeru, lit. "Guidance Angel") is a gadget that resembles a hand puppet. It gives guidance to its wearer to choose the path in its own opinion. Its wearer cannot take it off, only other people may. (Source: Doraemon Wiki)