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.
71
Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
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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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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.
49
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
Amber beads, worn as a necklace, can protect against illness or cure colds.
89
Two people breaking a wishbone is said to lead to good luck for the person with the larger piece.
225