Breaking a mirror brings 7 years of bad luck.
A black cat crossing your path is a bad omen.
Don't walk under a ladder.
Leave by the same door that you've entered a house.
If you spill salt, throw some over your shoulder.
Itchy palm = good luck.
Hang a horseshoe open end up to hold the luck in.
Opening an umbrella inside is bad luck.
Rain on your wedding day is bad luck.
Friday the 13th is a bad luck day.
A rabbits foot will bring good luck.
Seeing 3 crows will bring good health.
Never close a penknife that was opened by someone else.