30+ Crazy Japanese Inventions That Are… Simply Awesome? (Part 2) 20. Public Transport Helmet Source via spicytec.com This Japanese invention makes traveling in a public transport so much easier. Prev Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31