Placing keys on a table is considered unlucky. (Sweden)
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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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At times, a horseshoe may be found above doorways. When positioned like a regular 'U' it supposedly collects luck. However, when it is positioned like an upside-down 'U' the luck supposedly drains.
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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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In some parts of England, rum is used to wash a baby's head for good luck.
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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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An acorn at the window will keep lightning out
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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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