I built an Omni-Directional ONE-BALL Bike
https://www.youtube.com/watch?v=tXzH9BSd5IU



狂野！ 日本和尚開酒吧？ 我去實地探訪，竟然被安排進了棺材
https://www.youtube.com/watch?v=VrS0F6Og1no