Only plays a custom “Devastator” Bass made out of graphite; the current model was made by Bernie Rico, Jr. with an M like body and a cyclops skull on the headstock. It has no tone or volume control knobs because he only plays it on full blast.

Only plays a custom “Devastator” Bass made out of graphite; the current model was made by Bernie Rico, Jr. with an M like body and a cyclops skull on the headstock. It has no tone or volume control knobs because he only plays it on full blast.

—Jerry Only - Wikipedia, the free encyclopedia