Getting dragged to a blue city for the holidays. What should I pack for the impending Chimpening

It's another AA12 debacle waiting to happen. They'll say it's fine, they'll sell, a bunch of them will be confiscated because they went back on their own rulings. And the public perception of the bumbling purposeless law enforcement agency that is the firearms sections of the ATF gets ever worse as they're forced to make people comply with laws that make no sense what so ever.