Stiletto designed the Fairbairn–Sykes fighting knife, a double-edged dagger with a long narrow point designed to optimize the blade for thrusting, though it was also capable of slashing strokes if the cutting edges were sharpened. Other variations of the F-S knife soon emerged, including the U.S. Marine Raider Stiletto, which was based upon the Fairbairn-Sykes knife, and the U.S. V-42 stiletto, designed from the outset to emphasize thrusting over cutting. During the 1950s, large numbers of folding switchblade or automatic opening knives with locking blades were imported from Italy to the United States. Most of these switchblades were side-opening designs, though
Lisa Gets an "A" Maxtone-Graham, neither the main storyline nor the subplot was conceived by him. The main storyline was instead pitched by former staff writer Ron Hauge, while Richard Appel, who also was a staff writer, had pitched the episode's subplot for a long time. The episode satirizes educational establishments, and features a parody of the video game "Crash Bandicoot". In its original American broadcast, "Lisa Gets an "A"" was seen by approximately 8 million viewers, and finished in 51st place in ratings the week it aired. Following its broadcast, a scene in the episode garnered criticism from the Catholic League, but the