The ring is said to have been developed 2000 years ago by a Turkish traveler, who wanted to know if his wife was faithful to him. If she took the ring off, in the victorian era unable always be re-assembled, so she was forced enable it on and he knows on his return if she was faithful to him or not. http://WWW.Fromearth.kr/bbs/board.php?bo_table=free&wr_id=451338