I have viewed the video a number of times, have come to believe that, while the driving was TOTALLY inadequate, the vehicle lacked any sort of device(fifth wheel, or the like) that would allow the front axle to pivot. Result: that the only way to 'turn' the rig w/o overturning would have been in a HUGE and VERY GRADUAL arc, and certainly NOT at speed. BIG TIME design flaw, IOW. I recall when a couple began building and promoting a 'cute' covered wagon for minis. Trouble was, they didn't know how to properly build such a vehicle. It would be in no way 'safe' to drive unless going very slowly and pretty much only in a straight line. ! It was off the market before long....not surprisingly.