Breaking a mirror - Breaking a mirror into pieces, with the belief that it will bring bad luck
After breaking a mirror, a writer is convinced he will have seven years' bad luck.
carrying a rabbit’s foot: wear a collared rabbit leg will bring good luck.
an action that according to superstition will bring good luck: Carrying a rabbit's foot is the best way to have good luck.
catching a falling leaf- an action that according to superstition will grant the catcher a wish or bring good luck
If you catch a falling leaf, make a wish!