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
Kitten heel use in getting young girls used to wearing high heels. However, by the early 1960s, they became fashionable for older teenagers and eventually for women of all ages. The demise of the stiletto heel in the late 1960s meant that women could choose between a wider variety of intermediate length heels, which decreased the appeal of the kitten heel. However, the kitten heel reemerged in the 1980s along with wedge heels, and have become once again fashionable since 2003, but are not made in abundance due to the preference for stiletto heels by women during this time period. Kitten heel