There are a lot of dumb inventions out there, but for some reason there are tons of WTF Japanese inventions. Whether it’s the personal rain saver, which collects Rainwater for you to use as a later date (we guess?), silent karaoke, which allows you to belt out your favorite songs at the top of your lungs (quietly) or the chopstick fan, which helps cool down foods you might eat with chopsticks, there are definitely some of the bizarre things invented in Japan that you will NEVER need. WatchMojo counts down ten of the most impractical Japanese inventions ever.
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