51 Wackiest Japanese Inventions You Need To See To Believe

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37. Armpit Cooling Fans

PCDN

Sweaty folks unite! This ultra-smart and literally ultra-cool device will keep anyone that sweats profusely a little less hot. These small devices have hooks on them so you can clip them onto your shirt, while the fans face straight up into your armpits to keep them nice and dry. For anyone that has dealt with extra sweaty pits, then they know just how useful this device could be! Too bad you can only buy them in Japan.