Stiletto the Allied side, the French Lebel M1886 épée (needle sword) bayonet was frequently cut down and converted into a stiletto or thrusting knife ("Poignard-Baïonnette Lebel"). These weapons were used to eliminate sentries in trench raids as well as for personal defense. As a class, these daggers, knives, and stilettos were given the title trench knife. World War II saw a resurgence of the stiletto in the form of combat knives for commando raiding forces and other troops who needed a weapon for silent killing. In late 1940, the famed British hand-to-hand combat instructors William E. Fairbairn and Eric A. Sykes
Kitten heel by teenage girls, who may be considered too young for high heels. Kitten heels are shoes with a tapered heel of approximately 2.5 to 5 centimeters (1–2 in) in height. They are on the shorter end of stiletto shoes, which can have heels as tall as 12.5 centimeters (5 in). Kitten heels were introduced in the late 1950s as formal fashion attire for young adolescent girls, as higher heels would have been considered unseemly for girls as young as thirteen because of, for instance, unease of walk. They were sometimes referred to as "trainer heels" in the US, indicating their