In some European cultures it was customary to place the dried or desiccated body of a cat inside the walls of a newly built home to ward off evil spirits or as a good luck charm. It was believed that the cats had a sixth sense and that putting a cat in the wall was a blood sacrifice so the animal could use psychic abilities to find and ward off unwanted spirits.[1] Although some accounts claim that the cats were walled in alive, examination of recovered specimens indicates post-mortem concealment in most cases.[2]
Harte pp. 172–175
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