A "paper banger," also known as a paper popper or flapper, is a simple origami toy that makes a loud snapping sound when flicked quickly through the air. The sound is caused by air rushing into a folded pocket, forcing it to pop open rapidly. How to Make a Simple Paper Banger
Bring the side corners toward the center crease to form a square or triangle shape with interior flaps. banger
Watch this step-by-step tutorial to see exactly how to fold and flick your paper banger for the loudest possible pop: How To Make A Paper Banger Andy Origami YouTube• Jun 23, 2014 How To Make A Paper Banger A "paper banger," also known as a paper