They took the back tire of a running moped, and touched it to the ignition flywheel of the other moped. The spinning tire rubbed the flywheel, causing it to spin. Viola, started moped.
At least thats' what he described, and it does make sense.
SO, since switching from pedals to pegs is so easy... why aren't there any tutorials? What do you use to fill in the bottom bracket? What is used in place of the spindle?