Did you know that there’s a chair designed specifically for people who like to sit cross-legged? Or that there’s a vehicle whose only purpose is to clean street signs? Yes, these unusual tools do exist and today we will be taking a look at some of the most interesting ones. These little-known niche inventions serve oddly obscure purposes you've never heard of but are extremely useful for the people who use them. In fact, there’s even a machine made just for brushing cows!
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