Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
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An acorn at the window will keep lightning out
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In some parts of England, rum is used to wash a baby's head for good luck.
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If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
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Amber beads, worn as a necklace, can protect against illness or cure colds.
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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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A single magpie is considered a sign of bad luck. A Guide to the Scientific Knowledge of Things Familiar recites an old proverb concerning the incidence of bad weather when magpies forage alone and a possible scientific explanation for this.
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When you speak of bad luck, it is said that one should always knock on wood. Also knocking when speaking of good luck apparently helps with having good luck. This is an old Celtic tradition related to belief of wood spirits.
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