Stiletto was used by anarchists as well as by members of various "Black Hand" (a method of extortion) organizations to assassinate Italian-Americans and others who either opposed the "Black Hand" or ignored its demands for blackmail. The "Black Hand" even established schools for training its members in the use of the stiletto. The emergence of fierce hand-to-hand combat in the trenches of World War I created a new need for stabbing weapons, resulting in the reappearance of the dagger and the stiletto. Many versions of these stabbing knives exist, some individually made by soldiers, while others were government-procured and authorized. On
Heel-shaped cairn (Camster Round and Skelpick Long). At the monument of Vementry the round cairn, with the typical chamber of heel-shaped cairns, was built over in the heel-shaped form and given a roughly 10.6-metre-wide exedra. Heel-shaped cairn The heel-shaped cairn, with its usually cruciform chamber, is a type of megalithic monument that is found in Scotland, especially in Caithness and Sutherland and on the Shetland Islands. On Orkney, the Isbister Cairn is the only site that is similar in shape. The chambers usually lie in a round cairn made of broken rocks, which either contemporaneously or later were surrounded by the eponymous