I found this in my closet while cleaning it out. No one knows what it is 👇👇

Its homemade appearance is no accident. These gadgets were often assembled from whatever was on hand: a bent wire for flexibility, a rubber band for stored energy, and a washer to amplify the movement. Each piece serves a single purpose, which is why it looks more like a craft project than a manufactured product. That simplicity is also what made it so common and easy to recreate decades ago.If you ever come across one, handling it is straightforward. Removing the rubber band immediately neutralizes it, while keeping it intact turns it into a small piece of playful nostalgia. What makes this prank memorable isn’t the object itself, but the story it creates. By turning an ordinary envelope into an unexpected moment, it proves that humor doesn’t need technology—just imagination, trust, and the perfect moment to surprise.