1. Manual Cutter It's a cutting board with a fictitious hand attached. Date of invention: mid-2000s; average cost: $75* Porch reports that cooking mishaps result in more than 322,000 ER visits annually. As it allows you to chop and dice without endangering your hand, the Japanese Chopper Hand is an invention that companies like Iconix… Continue reading From Quirky to Genius: Discover Japan's Unique Inventions