Introduction to "waking up the net" for winter fishing: Every year when winter fishing begins, a "waking up the net at the lake" ceremony will be performed. "Sacrifice to the lake" is a sacrifice to the lake god, and "awake the net" is a sacrifice to the fishing nets. A Sulu ingot altar must be set up, tributes placed, scriptures recited, chama dances, toasts, etc. After the ceremony, a head start must be performed. Fish auction event. This custom has now been included in the second batch of national intangible cultural heritage protection lists and is called Chagan Lake production custom.