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Continuity: When the Sandy/demon tries the blow Rogers brains out he opens the bathroom door containing the 'floating garden tools'. The hedge cutter shoots towards Sandy/demon lopping off her head. Next scene Roger picks up the head placing it in a bin bag, but there's no blood, but there was when he shotgunned a hole in her from an earlier scene.
Revealing: Later into the film Roger realises that his aunt's paintings hold some significance to the whereabouts of his missing son. He removes a cloth from the top left of a painting revealing an image of his son trapped in his bathroom cabinet. Note the cabinet door is the wrong way round to the one in his bathroom.
Continuity: When Sandy turns into the demon she's still wearing her own clothes, however her footwear has gone from high-heels to blue socks and white leg warmers. Most noticeable when she gets shotgunned out through the front doors of the house. Then she reverts back to human and is wearing high-heels again.






