What is the chorus overdrive effect and how does it enhance the sound of a guitar?

The chorus overdrive effect is a type of guitar effect that adds a shimmering, swirling sound to the guitar's tone. It does this by duplicating the guitar signal, slightly altering the pitch and timing of the duplicate signal, and then blending it back with the original signal. This creates a thicker, richer sound that can make the guitar sound more full and dynamic.