Unprocessed grain, mixed with impurities like dirt or inedible husks, is placed on the basket.
The process can benefit from mild wind, which can carry away lighter particles.
In West Bengal, Odisha, Assam, and Bihar the tool is also used to welcome the groom during marriage ceremonies.
[1] There is a folk tradition where children who are unable to adequately control when they urinate (particularly while sleeping) are made to wear the k'i on their head, then sent to knock on the doors of their neighbors and ask for salt.
[1] A tradition on Jeju Island involved a type of divination, where on Lunar New Year's Eve, the baskets would be cleaned, washed, and placed facedown.