Bacis have their roots in Animist beliefs before Theravarda Buddhism was introduced into Laos around 7oo years ago.. Bacis are performed at weddings, funerals, births, homecomings or any event where good fortune is granted towards the recipient..

White cotton threads, the lasting symbol of continuity and permanence are tied around the recipients wrists, should be worn for aleast three days and never be cut off..

The wedding baci is usually held after the official civil marriage ceremony..