The mortar dance (The Lesung Dance) comes from the Dayak tribe of Kapuas Hulu.
The dance is held as an expression of gratitude for the success of the rice harvest. Rice harvest is commonly conducted in June every year.
After the rice harvest, farmers will have a party of rice. In this party, youth would present dances, one of them is the mortar dance.
In this dance, one of the male dancer would dance with mortar on his mouth. He holds it by biting it with his teeth. Mortar is a tool to release rice from the chaff.
The phenomenon of climate change takes effect on agriculture which thr period of harvest begins to change which is not always takes time in June.
