Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
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If one walks underneath an open ladder it is said to bring bad luck. Sometimes it is said that this can be undone by immediately walking backwards back underneath the ladder.
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In some parts of England, rum is used to wash a baby's head for good luck.
71
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 Asia, the digit 4 never appears in any Nokia handset model number, because 4 is considered unlucky in many parts of Southeast/East Asia.
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Placing a hat on the bed is, apparently, bad luck. (South Carolina)
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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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Some motorcycle enthusiasts hang a biker's bell from a portion of their bike to protect themselves from evil road spirits.
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