Stiletto be employed along with the dagger as a fighting weapon; a 1536 dueling treatise authored by Achille Marozzo, "Opera Nova", contains sections on dagger and stiletto fighting. By the time of the Renaissance, the term stiletto had come to describe a range of slender thrusting knives closely resembling the French poignard, many with conventional dagger-profile blades and sharpened edges, but always retaining the slim profile and needle-like point. To lighten the weapon, many stilettos were equipped with blades carrying fullers over a portion of their length. The stiletto remained a popular weapon of criminals or political assassins from the 16th
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