Charyo is designed by Baisao whose motto was simplicity and honorable poverty therefore it is believed that charyo was a simple utensil of bamboo that was divided two or three times in appropriate size.
質素清貧をモットーとする売茶翁考案のため、竹を2つか3つ、適当な大きさに割っただけの簡単な物であったといわれる。