Insert your own gag here.
The problem with riding donkeys in Darfur is that rider is expected to hit ridee with a big stick in order to facilitate steering. For the first 30min it is possible to threaten to hit the donkey across the face in order to turn left (hit the right side) or right (the left). However, said donkey soon gets wise to this ploy and then stops reacting to the phantom thwack altogether. All in all, not a recommended way to travel. Mary had it all wrong.