Stiletto position, and this lock, combined with the stiletto blade profile, enabled the knife to be used as an effective thrusting or stabbing weapon (unlike most U.S. switchblade designs of the day). Though most switchblade stilettos used a single-edge blade equipped with a long false edge, many variations exist. The stiletto switchblade is produced to this day in Italy and many other countries, and now includes many derivative folding knife designs that incorporate the same basic 'stiletto' or bayonet-style blade profile, including spring-assist, non-locking, and lock blade variants. Stiletto A stiletto () is a knife or dagger with a long slender
Name-bearing type In contrast, a subjective synonym is based on a different name-bearing type, but is regarded as representing the same taxon; for example, the name "Viverra touan" Shaw, 1800, is based on a different name-bearing type (a specimen in the Field Museum of Natural History), but is currently regarded as representing the same species as "Didelphis brevicaudata" and "Didelphys brachyuros". "Family-group" ranks include the superfamily and all other ranks below it and above the genus, including the family and tribe. The name of a family-group taxon is based on the stem of the type genus, its name-bearing type; for example, the