He entered the antique shop expecting the usual collection of dusty furniture, forgotten tools, and objects whose original purposes had disappeared with time. Nothing seemed particularly unusual until he spotted a small metal device resting among the clutter. It was barely ten centimeters long, surprisingly heavy for its size, and covered with an unusual circular pattern engraved across its center. When he asked the shopkeeper about it, the answer was simple: nobody knew what it was. That uncertainty made the object even more interesting, so he bought it for less than five euros and carried it home.

For several days, the mysterious device became an obsession. He photographed it, searched different descriptions online, compared pictures, and browsed antique forums, but nothing seemed to match. The object sat quietly on his desk while he wondered what purpose it could possibly have served. Eventually, curiosity gave way to ordinary life, and he almost forgot about it. Then, weeks later, while making a simple repair nearby, he accidentally struck the strange piece of metal with a hammer. What happened next made him immediately realize that his cheap antique purchase was hiding something he never expected…