A black string around Shirley's neck appears and disappears between shots after her bikini top is ripped off.
When Marie is being led away from the house by the killer, she is wearing gold high heels, but after she escapes from him and then trips and falls she is now wearing black boots.
Although the boom mike is visible in some shots, this may not be a mistake by the film makers. The film was shot for widescreen, so the top an bottom of the frame would be cut off and the boom mike would not be in the shot. Some DVDs have been issued which do not properly crop the frame for wide screen, and thus improperly reveal the boom in the top of the full frame presentation.
On the top of the screen, a microphone hangs down while people chat inside an old house.
Hanging very low into the shots of the lumber man shoveling scrap wood and when he's hit in the stomach by Mac.
Hanging very low into the shot as Jay is about to rip the bikini top off of Shirley.