The Doctor may swear bow ties are cool, but it's hard to find any bow tie cooler than this awesome 3D design. If you're wondering how you tie such a thing, no worries there -it's also a clip-on. Just slip it over your top button and you're ready for a night on the 3D town.
Link Via Inventor Spot
If you are not in law enforcement clip on's are not cool.
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Now if they could only get it to spin like a propeller...
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