Crazy but Brilliant: Japan's One-of-a-Kind Inventions
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4. Umbrella Locks
What it is: It functions similarly to a bike lock for your umbrella. 2018 saw the invention of The average cost is $0*. This one appears to be really helpful. At some point, we've all had our umbrellas stolen, or we've misplaced them but assumed someone else had them. A locking mechanism for umbrellas has been devised by Japanese malls and stores; it functions similarly to a bike lock. As soon as you enter the business, you lock up your umbrella.
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