A pendant announces what kind of lover you wish to have.
A ring announces your identity, your status, and your belief system.
An earring amplifies psychic hearing, or clairaudience.
A necklace announces what your religion or values are, or else is a mere accessory meant to enhance the clothes you are wearing, especially if it is only a dinky chain or a strand of small beads.
An arm band, a bracelet, or a bangle is an indication of your defense mechanisms. They are archetypal carryovers from gauntlets.
An anklet announces that you are enslaved to someone or something.