This is placed under a tea bowl when the host of a tea ceremony carries a cup of whisked powdered green tea, and additionally, it is placed on a tatami mat to view a tea bowl at some tea ceremony schools or at some tea ceremony parties.
茶席において、点てられた抹茶を運ぶ際に茶碗の下に敷いたり、また流派・点前によっては茶器の拝見の際に畳の上に広げて同様に拝見する。