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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Before traveling a person should, apparently, sit on their luggage. (Russian)
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Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
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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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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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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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If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
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An acorn should be carried to bring luck and ensure a long life.
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