Witches' stones
Encyclopedia
Witches' stones are flat stones jutting from chimney
Chimney
A chimney is a structure for venting hot flue gases or smoke from a boiler, stove, furnace or fireplace to the outside atmosphere. Chimneys are typically vertical, or as near as possible to vertical, to ensure that the gases flow smoothly, drawing air into the combustion in what is known as the...

s in the island of Jersey
Jersey
Jersey, officially the Bailiwick of Jersey is a British Crown Dependency off the coast of Normandy, France. As well as the island of Jersey itself, the bailiwick includes two groups of small islands that are no longer permanently inhabited, the Minquiers and Écréhous, and the Pierres de Lecq and...

.

According to Jersey folklore
Folklore
Folklore consists of legends, music, oral history, proverbs, jokes, popular beliefs, fairy tales and customs that are the traditions of a culture, subculture, or group. It is also the set of practices through which those expressive genres are shared. The study of folklore is sometimes called...

, these small ledges were used by witches to rest on as they fly to their sabbat
Sabbath (witchcraft)
The Witches' Sabbath or Sabbat is a supposed meeting of those who practice witchcraft, and other rites.European records indicate cases of persons being accused or tried for taking part in Sabbat gatherings, from the Middle Ages to the 17th century or later.- Etymology :The English word “sabbat”...

s. Householders would provide these platforms to appease witches and avoid their ill favour.

Traditional vernacular architecture
Vernacular architecture
Vernacular architecture is a term used to categorize methods of construction which use locally available resources and traditions to address local needs and circumstances. Vernacular architecture tends to evolve over time to reflect the environmental, cultural and historical context in which it...

 in Jersey is in granite
Granite
Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...

 and such witches' stones can be seen protruding from many older houses. The real origin of this architectural feature is to protect thatched roofs from seeping water running down the sides of the chimney stack. Thatched roofs being thicker than tiled roofs, the jutting stones would sit snugly on the thatch - as can be seen on the few remaining thatched roofs in Jersey. When thatch began to be generally replaced by pantiles in the 18th century, and later by slate
Slate
Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. The result is a foliated rock in which the foliation may not correspond to the original sedimentary layering...

s, the witches' stones were left protruding prominently from the chimney stack. This either gave rise to the belief in witches' resting places, or reinforced an existing belief (fear of witches was widespread in country areas well into the 20th century in Jersey).

The force of tradition can be seen in a number of newly-constructed houses in vernacular style that sport witches' stones despite never having had a thatched roof.
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