Spyderco

Spyderco was founded in 1976 by Sal and Gail Glesser. In 1981, Spyderco introduced their first folding knife, the C01 Worker. That knife pioneered the concept of a round hole in the blade for one-handed opening, a clip on the handle for carry at the top of the pocket, and the option of a serrated edge for aggressive cutting performance. Those features revolutionized the knife industry and literally defined the form of the modern folding knife.