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 mainstream shops. A version of the stiletto heel was reintroduced in 1974 by Manolo Blahnik, who dubbed his "new" heel the "Needle". Similar heels were stocked at the big Biba store in London, by Russell & Bromley and by smaller boutiques. Old, unsold stocks of pointed-toe stilettos and contemporary efforts to replicate them (lacking the true stiletto heel because of changes in the way heels were by then being mass-produced) were sold in street fashion markets and became popular with punks and with other fashion "tribes" of the late 1970s until supplies of the inspirational original styles dwindled