What does the hand symbol with index and pinky mean?

The hand symbol with the index finger and pinky extended, while the other fingers are folded down, is often associated with the phrase "rock on" or "devil horns." It is commonly used in rock and heavy metal music culture to express enthusiasm and solidarity among fans. Additionally, in some contexts, it can signify a gesture of peace or a way to show support for a cause. Its meaning can vary based on cultural context and personal interpretation.