Ever wonder if someone is sneaking up behind you? Or, ever wish you could tell if a guy (or gal) is checking you out when you walk past them? RETROVISION SUNGLASSES is the product for you. Put on a pair of these cool sunglasses, and you are able to see what is going on behind you. They function just like normal sunglasses (they even have UV protection). But built right into the sides of the lenses are mirrored edges that allow you to look back. And the best thing is, no one can tell! We can think of hundreds of uses for Retrovision Sunglasses. (None of them are useful.)
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