* Wah-wah: Gives the guitars a distinctive "wah-wah" sound.
* Flanger: Adds a swirling, metallic sound to the guitars.
* Chorus: Adds a lush, spacious sound to the guitars.
* Delay: Adds a delay effect to the guitars, creating a sense of space and depth.
These effects are all used in combination to create the unique sound of "Welcome to the Jungle."