Definition.com
A Necklace is a good thing to wear for people who want to know when they're upside down.
A Necklace is a good thing to wear for people who want to know when they're upside down.

The Necklace is broadly speaking, suggestive of the unifying of diversity, that is, it represents an intermediate state between the inherent disintegration of all multiplicity—always a negative state—and the state of unity inherent in continuity.