A guitar pedal is an electronic device used by guitarists to modify the sound of their instrument. These pedals can create various effects, such as distortion, reverb, and delay, allowing musicians to enhance their tone and creativity. They are typically placed on the floor and activated by stepping on them with a foot. Guitar pedals come in different types, each serving a specific purpose. For example, a distortion pedal adds grit and sustain to the sound, while a chorus pedal creates a shimmering effect by layering multiple sounds. Many guitarists use multiple pedals together to achieve a unique sound.