These things were also called as "poessy rings" or "love poem rings" which in fact have few saying or lines of poems engraved upon them. Mens promise rings can be worn as friendship rings, pre-engagement rings or as purity promise rings. https://Bowmania.ru/forum/go.php?url=aHR0cHM6Ly9zaXRlcy5Hb29nbGUuY29tL3ZpZXcvZGl5YXJiYWtpci1lc2NvcnQyL2FuYS1zYXlmYQ