A looper pedal is a device used by musicians to record and playback audio in real-time. It allows players to layer multiple musical phrases or sounds, creating a rich, textured performance. By pressing the pedal, a musician can record a short segment, then play it back while adding new layers on top. Looper pedals are popular among guitarists, singers, and other instrumentalists for practice and live performances. They can enhance creativity by enabling solo artists to create complex arrangements without needing additional musicians. Many models also offer features like built-in effects and adjustable loop lengths for greater versatility.