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
Stiletto heel in the early 1980s. Subsequently, round-toe shoes with slightly thicker (sometimes cone-shaped) semi-stiletto heels, often very high in an attempt to convey slenderness were frequently worn at the office with wide-shouldered power suits. The style survived through much of the 1980s but almost completely disappeared during the 1990s, when professional and college-age women took to wearing shoes with thick, block heels. The slender stiletto heel staged a major comeback after 2000 when young women adopted the style for dressing up office wear or adding a feminine touch to casual wear, like jeans. Stiletto heels are particularly associated with the image