Double strokes refer to a drumming technique where a drummer plays two consecutive hits with one hand before alternating to the other hand. This technique is commonly used in various styles of music, including marching band and rock. It helps create a fluid and rapid sound, enhancing the overall rhythm. In practice, double strokes can improve a drummer's speed and control. Drummers often practice this technique using a metronome to develop timing and consistency. Mastering double strokes can lead to more complex patterns and fills, making it a valuable skill for both beginners and advanced drummers.