I could have rested it against the roof rack but I reckon the wind resistance would have stopped it dead.
Picked up a load of timber to do some fencing and gates at my house many moons ago. Fixed new gateposts with full hight gates and crossbar nearly took the roof off trying to drive out in a bus about 6 inches higher than it was when I drove in! Oh how I laughed. Made a mess of mine last year carying concrete fence posts an gravel boads! Yup mines a worker too when needs be!
My camper has earned it keep a few times. Picked up a good few items for friends, left me a few nice tips