Joke matchbox which traps your fingers when you pick it up

Before the match box is placed on the table, the joker folds a spring loaded piece of metal under the box. When the box is picked up this piece of metal flies out from underneath, catching the person’s fingers. Complete with its original box. The manufacturer is not named, but the label says ‘Germany’ and the metal is stamped DRGM, confirming manufacture in Germany. The box is made of metal with a printed cardboard label.