Maybe just don't enter a duress pin, causing the phone to blatantly wipe, and rrboot, and enter a setup screen, right after a customs officer confiscates your p

Maybe just don't enter a duress pin, causing the phone to blatantly wipe, and rrboot, and enter a setup screen, right after a customs officer confiscates your potential "contraband", and demands the pin? I mean really, this act is exceptionally blunt, clear, and overt. All this hand waving won't change things.