When Elaine lies in the magic circle, the sleeves of her robe are at her elbows, then at her shoulders, then at her wrists.
When the police pulled Elaine over in her car, he said her tail light was broken. Even though it was daytime, if the light fixture were broken, it could still be seen in the daylight.
Elaine performs a seductive dance for Richard, causing him to bite her rear end in a fit of lust. Before he bites her, red bite marks are already visible on her right buttock from previous takes.