As long as the clerk hasn’t seen Guys and Dolls it should be fine.

One of these days in your travels, a guy is going to show you a brand-new deck of cards on which the seal is not yet broken. Then this guy is going to offer to bet you that he can make the jack of spades jump out of this brand-new deck of cards and squirt cider in your ear. But, son, do not accept this bet, because as sure as you stand there, you’re going to wind up with an ear full of cider.

It’s extremely unhealthy for a free society, to have too much power imbalance between the ruling classes and the people.