Ring of nondetection

A ring of nondetection made it impossible to detect the whereabouts of a person, i.e. via nondetection, who wore the ring.

Appearance
Rings of nondetection were normally made of plain gold. Such rings could be found for sale in Raven's Bluff.

History
Alusair Obarskyr wore a ring of nondetection for years, to avoid being found by the wizard Vangerdahast.