The Electro-Harmonix Big Muff is a popular guitar effects pedal known for its distinctive fuzz sound. Originally released in the late 1960s, it has become a staple among guitarists across various genres, particularly in rock and alternative music. The pedal features simple controls for tone, sustain, and volume, allowing users to easily shape their sound. This pedal is celebrated for its rich, creamy distortion and sustain, making it ideal for solos and heavy riffs. Many famous musicians, including David Gilmour and Kurt Cobain, have used the Big Muff, contributing to its legendary status in the music world.