“Misconceptions about deviant behavior aside, it’s what’s underneath the buttoned-up exterior that fuels America’s long-running fascination with being inked. The unconventional glamour and the desire to mark our pasts in a secret place fuels our curiosity. There is perhaps no better example of this than the pinup, the woman who saw soldiers through World War II, first on posters and then on their biceps. At the Marriott, women dressed as pinups sold buttons and mango salsa in the name of animal advocacy: They call themselves Pinups for Pitbulls.”