 Many trappers consider these traps to be one of the best trapping innovations of the 20th century; when they work as intended, animals that are caught squarely on the neck are killed quickly, and are therefore not left to suffer or given a chance to escape.The general category of body-gripping traps may include snap-type mouse and rat traps, but the term is more often used to refer to the larger, all-steel traps that are used to catch fur-bearing animals.These larger traps are made from bent round steel bars.