: 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.
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 pop_design_somebody_called_me_tonight
: 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. : Hold the corner of the folded bar