Mirror-world street furniture: bits of urban infrastructure she can't identify by function. Local equivalents of the mysterious Water Testing Station on her block uptown, which a friend had claimed to contain nothing more than a tap and a cup, for the judging of potability—this having been for Cayce a favorite fantasy of alternative employment, to stroll Manhattan like an itinerant sommelier, addressing one's palate with the various tap waters of the city. Not that she would have wanted to, particularly, but simply to believe that someone could do this for a living had been somehow comforting.