A person with dirty ears and teeth will be dirty some other areas nicely.
Wear it everyday in a way that people can associate that smell with you. These things were also referred to as as "poessy rings" or "love poem rings" which in fact had few saying or lines of poems engraved upon them. http://Suprememasterchinghai.net/bbs/board.php?bo_table=free&wr_id=2297068