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Knocker (folklore)

Knocker
Grouping Mythological creature
Fairy
Sprite
Other name(s) Knacker
Tommyknocker
Country England
Region Cornwall and Devon
Habitat Mines

The Knocker, Knacker, Bwca (Welsh), Bucca (Cornish) or Tommyknocker (US) is a mythical creature in Welsh, Cornish and Devon folklore. They are the equivalent of Irish leprechauns and English and Scottish brownies. About two feet tall and grizzled, but not misshapen, they live beneath the ground. They wear tiny versions of standard miner's garb and commit random mischief, such as stealing miners' unattended tools and food.

Their name comes from the knocking on the mine walls that happens just before cave-ins – actually the creaking of earth and timbers before giving way. To some miners, the knockers were malevolent spirits and the knocking was the sound of them hammering at walls and supports to cause the cave-in. To others, who saw them as essentially well-meaning practical jokers, the knocking was their way of warning the miners that a life-threatening collapse was imminent.

According to some Cornish folklore, the Knockers were the helpful spirits of people who had died in previous accidents in the many tin mines in the county, warning the miners of impending danger. To give thanks for the warnings, and to avoid future peril, the miners cast the last bite of their tasty pasties into the mines for the Knockers.

In the 1820s, immigrant Welsh miners brought tales of the knockers and their theft of unwatched items and warning knocks to western Pennsylvania, when they gravitated there to work in the mines. Cornish miners, much sought after in the years following the gold and silver rushes, brought them to California and Nevada. When asked if they had relatives who would come to work the mines, the Cornish miners always said something along the lines of "Well, me cousin Jack over in Cornwall wouldst come, could ye pay ’is boat ride", and so came to be called Cousin Jacks. The Cousin Jacks, as notorious for losing tools as they were for diving out of shafts just before they collapsed, attributed this to their diminutive friends and refused to enter new mines until assured by the management that the knockers were already on duty. Even non-Cornish miners, who worked deep in the earth where the noisy support timbers creaked and groaned, came to believe in the Tommyknockers. The American interpretation of knockers seemed to be more ghostly than elvish.


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