It's bad luck to leave a house through a different door than the one used to come into it.
143
The superstitious symbolism of a black cat crossing one's path is dependent upon culture: some cultures consider this a sign of impending bad luck, while some cultures consider this a sign of impending good luck.
75
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
Before traveling a person should, apparently, sit on their luggage. (Russian)
117
Some motorcycle enthusiasts hang a biker's bell from a portion of their bike to protect themselves from evil road spirits.
64
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
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
394