what does it mean when a batter taps his helmet

A batter tapping his helmet typically signifies a few key actions or intentions Acknowledgment of Support The gesture often serves as a way for the batter to acknowledge teammates coaches or fans showing appreciation for their support. Mental Preparation Tapping the helmet can also be a personal ritual for the batter helping to focus or calm nerves before facing a pitcher. Signaling In some cases it may act as a signal to the on-deck batter or other players indicating readiness or a specific strategy. This gesture is common in baseball and can vary in meaning depending on the context and individual player habits.