She does the same with hers, making a note to wash them as soon as she has a real chance to do so. It's like none of their cleaning efforts actually did anything or something's grown a lot of dust in a short time.

"It has, but this is the Observers we're talking about," she points out. "It wouldn't be out of the ordinary for them to change the rules at the worst time. I'd rather be prepared and not be needed."