(1) is a university hood. (2) The hood of a monastic habit. (3) The hood of a cope. (4) The hood of a chasuble.
It was the custom of certain religious orders in the Middle Ages to turn the hood of their habit over the back of the chasuble when the latter was assumed. Hence, for convenience sake, a hood was sometimes attached to the back of the chasuble, some examples of which still remain in Germany.