"[Duchamp’s readymades] are objects for cleaning, hanging, storing, drying, preening, and peeing: objects whose purpose is to aid in self-presentation, objects that allow homes and offices to function. They are the unsung aids that allow us to do the work of maintaining house and body, so that we are better prepared to do our other work, like making art, for instance. But this was not the situation of these objects in Duchamp’s studio: the hat rack was suspended from the ceiling; the coatrack was nailed to the floor; the typewriter cover protected nothing but air; and the urinal stood alone, inverted, forever unused"