I warmly congratulate Jacques Heyman on the absolute clarity of his ‘An observation on the fan vault of Henry VII Chapel, Westminster’ (arq 4/4). But while this was not the subject of the author's study, many of us might well be interested to hear his view as to why the Perpendicular pendant came about since it is unnatural constructionally. Historians no longer with us sometimes supposed the pendants remembered the columns between nave and aisles in a larger church or cathedral, but I have not seen this referred to recently.