There are numerous sailors' superstitions, such as: it is considered bad luck for a ship to set sail on a Friday, to bring anything blue aboard, to stick a knife into the deck, to leave a hatch cover upside-down, to say "pig", or to eat walnuts aboard.
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Collect seven or nine different flowers on midsummer eve and place them under your pillow and it is said that you will dream of your future spouse. (Sweden)
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Placing keys on a table is considered unlucky. (Sweden)
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Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
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Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
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It's bad luck to leave a house through a different door than the one used to come into it.
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An acorn should be carried to bring luck and ensure a long life.
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According to an age old custom, carrying a dead shrew in your pocket wards off rheumatism!
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