She felt it. A scar. A big, thick scar that curled around her neck from one side to the other. Polar ran to the mirror and cringed, even ignoring the dried blood matted to one side of her. Corded and almost half an inch wide, the scar curved neatly across her throat like a perverse necklace. She placed a hoof near one of its endpoints. “Heartbeat. Carotid.” The other. “Heartbeat. Other carotid.”