And it's really tempting to perform Fraud, especially because of how many anti-counterfeit measures we have.
Still, I need a reliable bill-switch since I wouldn't be wearing a coat indoors. Anyone have any (ORIGINAL, not copyrighted) ideas about switching out your bill for theirs?
My current thought is to do it while I have them find a sharpie to sign the bill with, but it's risky and wouldn't work with multiple people around.