As I turned the corner, my heart skipped a beat. The light from my torch sparkled and bounced from a thousand angles. Readied for a fight, I realized that what at first appeared to be a great army, or the teeth of some giant beast, were in fact knife blades bristling from the corridor walls, like some bizarre subterranean forest. As I gingerly navigated this macabre thicket, I observed that each blade had hanging from it a small piece of paper. Turning one over to catch the light, I saw, written by hand, "Caution: Sharp. Please take care while navigating this hallway. -- The Management"