Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
117
An acorn should be carried to bring luck and ensure a long life.
115
There are numerous sailors' superstitions, such as: it is considered bad luck for a ship to set sail on a Friday, to bring anything blue aboard, to stick a knife into the deck, to leave a hatch cover upside-down, to say "pig", or to eat walnuts aboard.
70
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9
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
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.
105