Barlow knife is a type of folding pocket knife that originated in the United States. It is a classic design which consists of a two blade design with a long bolster and a narrow handle. These knives are very popular due to their versatility and durability. Other names for this type of knife include pocket knife, farmer knife, trapper knife, and slip-joint knife. Each name has its own unique connotation and can be used to describe different variations of the Barlow knife. Regardless of what it is called, the Barlow knife remains a timeless and essential tool for outdoor activities, camping trips, and everyday use.