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
Aemilianus van Heel Aemilianus van Heel Johannes Wilhelm van Heel (8 June 1907 – 8 October 1938), later known as Father Aemilianus van Heel, was a Franciscan friar from the Netherlands, who served as a missionary in China and died in the second Sino-Japanese War. Van Heel was born in Leiden, the Netherlands, on 8 June 1907. His parents were Johannes Cornelis van Heel (a cobbler) and Maria Clasina Blesting. He entered the Franciscan order and was ordained a priest on 26 March 1933. Later that year he left for China as a missionary, where he took the name Hu Yong-Sheng. The young