Vermil Thumb Ring - Classic Silver Plus - Premium Traditional Archery Equipment good for protect the archer's thumb from arrow while the player is shooting (these ring have been handmade to the finest quality) suit for the Eastern traditional archery; for example, Korean, Chinese, and Mongolian style premium hand made of Thailand with various size and color of thumb ring robust and hard to brittle: 3 months gaurantee fast handling within 2 days exclude unofficial days