That I have! I'm surprised you did not notice, earlier. I had so many at the cottage and DiplomaTea. All that time they must have scurried out of your sight. [just... an ominous horde of rats, hiding out of vision. Not alarming at all. Not. At. All.]

Scrubbing surfaces, laundry, tidying up anything that's set down- they're very clever about such tasks. Useful helpers who desire such simple payments as affection and food in return. Ideal animal companions, I would boast.