Well in freezing Hokkaido such tricycle wouldn't get far in the deep snow and icy roads which has prompted 72 year old resident Sada Yoshi to construct his own winter mountain bike (trike?) exclusively for the harsh Hokkaido environment.
It appears to be a second frame simply welded to the first at an angle providing a rear tire for added balance. Not sure how this affects pedalling, but you've got to give it to him for using parts and tools at his disposal to solve an immediate problem.
