In addition to the cats of course.
Not a reply:
Since 1976 money is a form of constitutionally protected free speech. True?
Inhibiting speech is not permitted to which branches of government?
Having not enough cash in rotation means that in case of a relatively minor apocalypse, like a zombie outbreak, a Drumpf presidency or a wave of black death, society has to regress all the way to straight bartering in trade.