They have many mysterious rituals, special symbols and words and at least 12 different handshakes (some of which can be seen on YouTube).

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The many and varied rites associated with the fortnight-long holiday may sound innocent enough: gift-giving, trick-or-treating, fireworks, open-air picnics, the eating of special foods and the display of symbols of abundance such as goldfish, coloured eggs, potted plants and shiny coins.

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The banner has been created by the Royal College of Arms after special permission was given by the Court of Heralds to create a unique Guernsey insignia, involving symbols of the Priory of England and the Islands and the Norman cross seen on the Guernsey flag.

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