Technically, this would be the ring of DIM-wit…
You know that little voice in the back of your head that tells you when you’re about to do something stupid? Well, he’s here and he’s brought some friends.
Beautiful red ruby seated in the golden gildwork of a half closed eyelid. Amulet causes unappreciated effects when rubbed or caressed.
You receive a vision of a rooftop "somewhere close by", where a rare moss grows; in the vision, you know the moss is suitable for greatly enhancing the effects of certain types of potions. Now go and find that rooftop. Don't fall off. (Of course, rooftop runners *will* be taken for miscreants by the local City Watch....)