Continuity mistake: At the start when Simone is telling Eddie to wake up he has his hand on his chest. Camera changes and it's not. (00:01:50)
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 start, Simone puts the rubber tube round her arm. Camera cuts - it's no longer round her arm and she puts it round again. (00:03:35)
Continuity mistake: At the very start, the position of the meat cleaver on Simone's table changes between shots. (00:03:40)
Revealing mistake: When Eddie is cutting the stomach flesh, there is a point where if you look carefully, you can see the outline of the fake flesh. (00:03:50)
Continuity mistake: Simone wraps the tube round her arm just as the camera does a flash change. When the camera shows Eddie briefly, you can see Simone in the background with her arm on the table and a knife to her elbow. However, less than a second before she was tying the tube. (00:03:50)
Continuity mistake: When Eddie puts the first bit of flesh through the fence, he has his face leaning on the fence. Camera cuts and now it's not. (00:04:20)
Continuity mistake: When we see Eddie cutting the flesh in the opening game, the amount of blood on his shirt decreases and increases between shots. (00:04:40)
Continuity mistake: When Simone is cutting her arm off, the amount of blood on the table differs between shots. (00:04:40)
Revealing mistake: There is one shot of Simone cutting off her arm where you can see it is a fake arm. It's noticeable by the change in colour. (00:04:50)
Revealing mistake: In the opening game, the same shot of the needle moving on the scale is used twice when Eddie drops some flesh onto the scales. (00:05:25)
Audio problem: Simone's scream at the end of her game is the same as one used earlier in the scene. (00:06:00)
Continuity mistake: When Erickson is offering full disclosure to Hoffman, Erickson's badge is uncovered. Camera changes and now it's half under his jacket. (00:14:20)
Continuity mistake: When Hoffman talks to Pamela, he turn round and leans against the door. Camera changes, and he does the same action again. (00:14:35)
Continuity mistake: When talking to Pamela near the start, her notebook is open or closed depending on the angle. (00:15:05)
Continuity mistake: When Simone has a go at Hoffman in the hospital, someone puts their hand on her shoulder. Camera cuts and the hand has gone. (00:16:00)
Continuity mistake: When Hoffman leaves the hospital room, the male doctor has his hand on Simone. Camera changes and now he is gesturing with it behind her. (00:17:10)
Continuity mistake: When Hoffman goes to see Jill Tuck at the clinic, she unlocks her door and opens it. Camera changes and the hand she is opening the door with changes instantly. (00:20:00)
Continuity mistake: When Hoffman wants the envelopes, Jill's collar is turned up. Camera changes and it's lying flat. (00:20:25)
Visible crew/equipment: Just as we see the flashback with Amanda, Jill looks at where Amanda stood, then turns to where John was stood and sighs. As she does, a boom shadow is seen to move across her hair. (00:23:15)
Answer: The tools were chained to the tables, and there wasn't anything else they could've thrown down onto the scales.
erikvduyn