Tar Barrels are large wooden barrels filled with tar, traditionally used in various celebrations and festivals, particularly in parts of the United Kingdom. The most famous event involving Tar Barrels is the annual Ottery St. Mary Tar Barrels festival, where participants carry flaming barrels through the streets, creating a spectacular display. The practice dates back centuries and is believed to have originated as a way to ward off evil spirits or celebrate the harvest. Today, Tar Barrels are a symbol of community spirit and local tradition, attracting visitors and participants who enjoy the excitement and unique cultural heritage.