The windows outside the monorail car grew dark as the tram shot through the station, pushing back the wave of passengers waiting to board. Skater knew those already on board were surely starting to get nervous, and some might complicate things by becoming violent themselves. He slipped a claspknife from his pocket, opened it, and ran the blade along his arm, picking up skin cells. He handed the knife to the decker. Trey was at his back, tense and ready.