Meanwhile, Megan discovers that the surgical staple gun was tampered with. There is no anvil, and they are applied with a staple gun. It debuted on March 27, 1999 at CZW's The Staple Gun event. The first so called "forward action" staple gun was introduced about 1934. In professional upholstery, its chief competitor is the staple gun. Rhino used a staple gun during the contest; Rhino placed several staples in Raven's forehead. The NSW team physician John Orchard used a staple gun to close the wound. In other words, the staple gun substitutes the workpiece's inertia for the missing anvil.