Placing keys on a table is considered unlucky. (Sweden)
3
An acorn at the window will keep lightning out
93
Collect seven or nine different flowers on midsummer eve and place them under your pillow and it is said that you will dream of your future spouse. (Sweden)
463
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
Some motorcycle enthusiasts hang a biker's bell from a portion of their bike to protect themselves from evil road spirits.
64
Before traveling a person should, apparently, sit on their luggage. (Russian)
117
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.
208