13. Beginner’s luck.
12. Find a penny, pick it up and all day long, you’ll have good luck.
11. Don’t walk under that ladder!
10. Black cats crossing your path.
9. A rabbit’s foot will bring you luck.
8. Bad luck comes in threes.
7. Breaking a mirror is a surefire way to doom yourself to seven years of bad luck.
6. 66 Three sixes in a row give some people the chills.
5. Knock on wood to ward off bad luck after tempting fate.
4. Make a wish on a wishbone.
3. Cross your fingers for good luck.
2. Opening an umbrella indoors is supposed to bring bad luck.
1. Friday the 13th.