Was the Jackass Fart Mask Real? Fact-Checking the Disgusting Prank
The premise of the gas mask stunt was brutally simple. Director Jeff Tremaine and producer Johnny Knoxville wanted to exploit the depth perception of 3D digital cinematography, but standard physical pain stunts were only half the equation. Gross-out humor had defined MTV Jackass since its pilot run in 2000, and Dave England had long established himself as the cast member willing to stomach biological warfare that other stuntmen outright refused.
Production stage hands mounted an industrial rubber mask over Dave England's head, tightening the harness straps until the rubber skirt sealed airtight against his cheeks. The air intake filter was detached and replaced with a wide-diameter corrugated plastic tube. The opposite end was positioned flush against Steve-O, who had spent the morning consuming high-fiber foods to guarantee a rapid biological reaction. What unfolded on camera was twenty seconds of escalating claustrophobia and genuine somatic shock.