Pinups have fascinated men since Marilyn Monroe and Betty Paige made it a thing. Even though you don’t see too many 1950s pinups like you used to, there are still some people fascinated with that style. Elzo, a manufacturer of medical imaging equipment (sounds so sexy, right?) released their very own pinup calendar with hilarious and yeah, kinda hot, X-ray pinups. Berlin-based ad company BUTTER thought of the marketing scheme, and it’s pretty genius.

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