The stall plates are not removed , but remain permanently placed somewhere in the stall , so that the stalls of the chapel are covered with a colourful record of the Order 's Knights and Dames Grand Cross since 1906 . The stall plates , however , are not removed ; rather , they remain permanently affixed somewhere about the stall , so that the stalls of the chapel are festooned with a colourful record of the Order 's Knights and Dames Grand Cross since 1906 .