10. Fingers Crossed
The superstition of crossing fingers binging good omen started from pre-Christian and Pagan times in Western Europe. People had a strong belief that crossing one’s finger with another person’s index finger was a callsign to usher good spirits and seal a deal with the other crosser.
With time, the pattern of crossing fingers changed when people started believing that crossing their own two index fingers, and then later the index finger and the middle finger, would be enough to attract the blessings of the holy spirits.
Another reason why this habit of crossing fingers came into prominent is that some early Christians would meet in secret and use symbols, like crossing index fingers, to identify and greet each other.