The four-leaf clover is a rare variation of the common three-leaf clover, or shamrock. Each leaf is said to represent something special: hope, faith, love, and luck. Finding one is considered a sign of good fortune, as they are estimated to occur in about 1 in 5,000 clovers. In various cultures, the four-leaf clover has been associated with protective qualities and blessings. It is often used in folklore and traditions, symbolizing prosperity and success. Many people carry them as charms or keep them in their homes to attract positive energy and ward off misfortune.