: Hold the corner of the folded bar and pull the outer corner of the paper down. This should create two "pockets" or heart-shaped openings at the bottom.
: Fold that same section down again 3–4 more times until you have about 2–3 inches of paper remaining at the bottom. pop_design_somebody_called_me_tonight
Watch this step-by-step demonstration to see exactly how to fold and snap your paper popper for the loudest sound: How to Make a Paper Popper! (Easy and Loud) - Rob's World Rob's World YouTube• Dec 2, 2012 : Hold the corner of the folded bar
The sound is caused by a rapid change in air pressure. When you thrust the popper down, air gets trapped in the pockets. The force pushes these flaps out at a high velocity, creating a that we hear as a pop, similar to popping a paper bag. Watch this step-by-step demonstration to see exactly how
: Turn the paper over so the folded bar is on the back. Fold the entire paper in half vertically, so the "smooth" side is on the outside and the folded bar is on the inside.