4. Umbrella Locks
What it is: A locking mechanism for umbrellas, similar to a bike lockInvented: 2018
Average Cost: $0 This practical invention addresses a common problem: stolen or misplaced umbrellas. Japanese malls and stores have developed umbrella locks that work like bike locks. Upon entering a store, you secure your umbrella, and retrieve it when you leave.

Twitter.com/YYC_Svetlana/Umbrella Locks This system not only prevents theft but also spares you the inconvenience of carrying a wet umbrella while shopping. The best part? It’s free to use. This innovation would be a welcome addition in countries like the United States, especially in rainy cities like Seattle.
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Quietly future-proof.