"No one tripped you, it's not a game, and you haven't succeeded yet," he says patiently, as behind (and under) him the balls rise quietly to drift back onto the cones. He picks the plate up from where it's settling slowly in circles, making scraping plastic roing roing roing noises, and hands it back to Rincewind. "I didn't expect you to get it right first go even with the use of your hands. Now, on your feet, back to start, plate in place, and start again."