Bonkogo is a procedure for when a kogo (an incense container) is of meibutsu or has a history, in which the kogo is placed on a bon (tray) and displayed on a shelf at the time of sumitemae (adding charcoal to the stove for boiling water to make tea).
盆香合（ぼんこうごう）は香合が名物もしくは由緒のある場合に行う取り扱いで、炭点前のときに盆に載せた香合を棚物の上に飾っておく。