It is said that when Rikyu was invited to a Doan's tea gathering, he said while waiting for the host, "One of the stepping stones (tobi-ishi) in the tea garden (roji) is positioned too high.", which Doan had heard in katte (a place used to cook and prepare food in upper class residences), and he corrected it during the intermission (nakadachi) (the "Sawa Shigetsu shu").
道安の茶会に招かれた利休が亭主を待つ間「露地の飛び石の据え方がひとつだけ高い」と話したところ、勝手で聴いていた道安は中立ちの間に的確に直したという（前掲書）。