An analog metronome is a mechanical device used by musicians to keep a steady beat or tempo while practicing. It typically consists of a pendulum that swings back and forth, producing a clicking sound at regular intervals. Musicians can adjust the tempo by changing the position of a weight on the pendulum, allowing them to practice at various speeds. Unlike digital metronomes, which often feature electronic sounds and visual displays, analog metronomes provide a tactile and auditory experience. They are favored by some musicians for their simplicity and reliability, making them a classic tool in music practice alongside instruments like the piano or guitar.