One final weighty tip and now the space left by the missing tooth was turned straight down. And as the edges of the gear grit hard into the stone Auri felt the whole world jar around her. It ticked. Clicked. Fit. Fixed. Trembling, she looked around and saw that everything was fine. Her bed was just her bed. All of everything in Mantle: fine. Nothing was nothing else. Nothing was anything it shouldn’t be.