Divination Spinner ring with runes. Norse witch ring. Elder futhark runes ring.

Ring for cases when you need to quickly and unnoticed turn to the runes for advice.
The inscription on the outer ring means "The runes are telling the truth."
On the inner ring there are runes of the Elder futark and one empty field.
To get an answer or a prediction, simply rotate the outer ring and see which rune fell in the window.