<P> A number of stories attempt to explain the origin of the stone and surrounding legend . An early story involves the goddess Clíodhna . Cormac Laidir McCarthy, the builder of Blarney Castle, being involved in a lawsuit in the 15th century, appealed to Clíodhna for her assistance . She told McCarthy to kiss the first stone he found in the morning on his way to court, and he did so, with the result that he pleaded his case with great eloquence and won . Thus the Blarney Stone is said to impart "the ability to deceive without offending". MacCarthy then incorporated it into the parapet of the castle . </P> <P> The proprietors of Blarney Castle list several other explanations of the origins of the stone on their website . Many of these suppose that the stone had previously been in Ireland, was taken to Scotland and then returned to Ireland in 1314 . The stories listed include one suggesting that the stone was presented to Cormac McCarthy by Robert the Bruce in 1314 in recognition of his support in the Battle of Bannockburn . This legend holds that this was a piece of the Stone of Scone and was installed at McCarthy's castle of Blarney . Although colourful, this folk legend does not account for the fact that it supposes that the stone was removed from Scotland 18 years before Bannockburn, and modern analysis suggests that the stone is not related to the Stone of Scone . </P> <P> The ritual of kissing the Blarney Stone, according to the castle's proprietors, has been performed by "millions of people", including "world statesmen, literary giants (and) legends of the silver screen". The kiss, however, is not casually achieved . To touch the stone with one's lips, the participant must ascend to the castle's peak, then lean over backwards on the parapet's edge . This is traditionally achieved with the help of an assistant . Although the parapet is now fitted with wrought - iron guide rails and protective crossbars, the ritual can still trigger attacks of acrophobia, an extreme or irrational fear of heights . </P> <P> Before the safeguards were installed, the kiss was performed with real risk to life and limb, as participants were grasped by the ankles and dangled bodily from the height . In the Sherlock Holmes radio dramatisation "The Adventure of the Blarney Stone" (first broadcast on 18 March 1946), a man attempting to kiss the Blarney Stone falls to his death . Holmes' investigation reveals this as a murder as the man's boots having been surreptitiously greased before the attempt . </P>

How do you kiss the blarney stone in ireland
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