It's bad luck to leave a house through a different door than the one used to come into it.
143
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
An acorn at the window will keep lightning out
93
Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9
It is bad luck to put new shoes on a bed (or a table) (comes from the tradition of dressing a corpse in new clothes and shoes and laying them out so everyone can give their respects) - (UK)
57
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
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131