Centuries ago, women wore their husband's wedding ring on their thumb (husbands had better wear their own wedding rings, I say!). Today, however, women wear Thumb Rings because much like toes, it's a new place for a jewel.

Thumb Ring FYI's:

	Thumb Rings tend to be more comfortable on your non-dominant hand (which also tends to be the smaller thumb)
	Thumb Rings are often interchangeable with your index or middle finger.