Perhaps book props on the floor? Not massive ones, but open where people might step on them. It'd be even cooler if we got them on paper or something so people don't swerve around them but I don't know if we can do that.
"Fine," Niccolo said. "The Citadel's yours, and all inside it, I wash my hands of the matter." His mind was already spinning, trying to find a way to compensate for the fact that he'd just lost his last gamble. (Eleanor A. Tremayne)