Nazar boncugu is believed to protect people from envy and negative energy. It is usually hung at the entrance of homes to catch a glance of the visitor as they enter the residence. Turkish people believe that everyone has some negative energy, and this energy could possibly cause some bad things to occur even if the people don't have any bad intentions. It's a superstition, and many people use nazar boncugu as a jewelry. It's widely accepted in the culture, and many people even buy nazar boncugu to each other as a gift.
