Best train etiquettes

Hey. Tiny tits are still tits. Show some respect.

I wonder if any of these were the original thing. Probably not.

Quick thinking there, Luke!

Queensland, you've done it again

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I really hope these are real

I always wondered if there are the original version of "train etiquette "? Or is the whole strip made for humour, cos why would a real poster show a man looking up a women's skirt? What would he original caption be?