Revealing: Jack pierces the snake owner's hand with his pen with the hidden blade. In close up you see that the hand is a prop: it has a different colour, and there is already a mark where the blade is about to go through.

Continuity: When Jack is trapped in the mine under a pile of wood the arrangement of beams changes from shot to shot.

Plot hole: When Marty lies on the conveyer belt on the way to the stone crusher he tries to wiggle off the belt. The little he seems to be able to move is not justified by the way his hands and feet are tied up.

Continuity: After Lionel Pond, the mine owner, dies from a heart attack he sits in his wheelchair with his head sunk deeply between the shoulder pads of his jacket. In the next shot he is sitting straight.

Revealing: When Jack and Marty drive the skinny lady to her inbred folks Jack follows one of them into his house. He has a terrarium where a snake is just swallowing a screaming but otherwise lifeless rat.

Continuity: On their escape from the inbred village Jack and Marty break through a gate. In slow motion you see that the hood is already dented before the car hits the gate.

Continuity: After the car crashes through the gate and Jack and Marty jump out it finally goes down a cliff. The dent from the crash is gone when the car is flying though the air.