It's bad luck to leave a house through a different door than the one used to come into it.
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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.
78
Placing keys on a table is considered unlucky. (Sweden)
3
Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
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Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9
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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Many believe that if all of the candles on a birthday cake are blown out with one breath, while making a silent wish, the wish will come true.
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In some parts of England, rum is used to wash a baby's head for good luck.
71