Step 1: Locate a pair of willing participants. Ideally, they should be willing to hold their breath for an extended period.
Step 2: Have them place their ears on either side of their mouth.
Step 3: Inhale through the ear canal while simultaneously exhaling through the nostrils.
This method has a proven track record of failure, but the results are always entertaining.
Subpage 3: Counterpoint: Where Did It Go Wrong? Success Story: One Person Who Managed