Cravatomancy

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Fink, Thomas and Yong, Mao
The 85 Ways to Tie a Tie
London: Fourth Estate, 1999

Laver, James
The Book of Public School Old Boys, University, Navy, Army, Air Force & Club Ties
London : Seeley Service 1968

The term cravatomancy is a neologism, a compound word derived from the French cravate, neck-cloth and the Greek μαντεἱα, divination, hence telling the future through ties. The ancients did not wear ties, as far as we know, so the term emerged when Sweder noticed the blue and yellow tie I wore on election day, 6 May 2010, and thought it foretold a Tory-Lib-Dem coalition.