It's bad luck to leave a house through a different door than the one used to come into it.
143
Placing a hat on the bed is, apparently, bad luck. (South Carolina)
9
Once a wedding ring has been placed on the finger, it is considered bad luck to remove it.
117
Before traveling a person should, apparently, sit on their luggage. (Russian)
117
Pirates believed that piercing the ears with such precious metals as silver and gold improved one's eyesight.
131
If you catch a falling leaf on the first day of autumn you will not catch a cold all winter.
394
Some motorcycle enthusiasts hang a biker's bell from a portion of their bike to protect themselves from evil road spirits.
64
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