We had a total lark checking out this gallery of the 20 weirdest inventions from the past 20 years. The above is a promo for Necomimi, a set of cat ears that measures brain waves and allows them to react to your moods. Of course, it’s Japanese! The list—with handy YouTube vids—includes all sorts, from an instant bra dryer to fish skin bikinis, selfie toasters and a baby mop—that uses your crawl-everywhere bachha to clean the floor!