that clip that you posted Danf - it clearly shows, whilst being manœuvred by the tug, only one front wheel in contact with the ground
as goes Clog-wearers - if ALL Europeans were like the Dutch, I'd be proud to call myself European - but as long as we have the Frogs...........
in all the time that i spent working at Schiphol Airport, i never found any Dutch that i didn't get on with - a hugely decent bunch of people!
sm