Apotropaic marks  are symbols or patterns scratched into the fabric of a building to keep witches out. They are sometimes called witches' marks, a term also used to denote identifying marks once thought to be found on the bodies of witches.
Apotropaic marks or witch marks are symbols or patterns scratched into the fabric of a building to keep witches out. They should not be confused with witches' marks, which are marks made by witches.
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or witch marks
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are sometimes called
should not be confused with
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a term also used to denote identifying marks once thought to be found on the bodies of
which are marks made by