The Jackass Fart Mask Explained: Stunt Details, Cast Roles, and Lasting Legacy
Did Steve-O actually vomit during the fart mask stunt?
Yes. The sensory shock of the concentrated gas trapped inside an airtight rubber chamber triggered an instantaneous gag reflex, causing Steve-O to dry-heave and retch directly against the transparent viewing window before tearing the straps off.
Who was on the other end of the funnel?
Preston Lacy was positioned at the opposite end of the vinyl tube, providing the exhaust via an inverted plastic funnel while Johnny Knoxville supervised the timing.
Could the gas mask stunt cause lasting medical damage?
While brief exposure carries minimal chronic risk, the primary acute dangers were sudden oxygen deprivation inside an airtight seal and pulmonary aspiration if vomit entered Steve-O's airway during a panicked inhalation.