30+ Crazy Japanese Inventions That Are… Simply Awesome? (Part 2) 30. The Swiss Knife For gardening Source: www.technocrazed.co Not sure about how useful it is but yet none other than Japan has invented it. 31. A (double) Breast Nipple Source: www.technocrazed.co Imagination surely has no bounds. Prev Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16