Continuity mistake: When William walks into the steam room, we see the tape player from William's point of view. The camera then looks at William and the tape player has rotated 180 degrees instantly. (00:50:25)
Continuity mistake: In the opening game, Simone's arm alternates from wet to dry depending on the shot. (00:03:30)
Continuity mistake: At the very start, the position of the meat cleaver on Simone's table changes between shots. (00:03:40)
Answer: The tools were chained to the tables, and there wasn't anything else they could've thrown down onto the scales.
erikvduyn