It’s an odd detail in the 1931 version of “Dracula” starring Bela Lugosi that most people never even notice. But once you spot that piece of torn cardboard in a key scene, it’s impossible to unsee.
Was it a big, glaring production error... or does it actually serve a purpose in the plot?
Find out in the latest viral video from theCinemassacre YouTube channel.
This article originally appeared on HuffPost.