Manx National Heritage asks for genuine reports
Hop-tu-Naa witches hit the streets tonight - but would you dare to look for real witches' marks on Manx buildings, in old barns, or churches?
Manx National Heritage says if hunters track down any genuine Apotropaic marks - symbols common to the British Isles - on the Isle of Man, it would welcome reports of them.
Manx signs made by the 'witches' of old typically take the shape of a hexofoil - which looks like a six-petal flower.
They date back to around the 16th, 17th and 18th centuries, when beliefs in witchcraft were commonplace.
Field archaeologist Andrew Johnson says MNH would like to find more here:
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