Case Knives Natural Bone Smooth Sowbelly KnifeCase Knives Mirror polished Tru Sharp surgical stainless steel blades Clip, Spey and Sheepfoot blades Length: 3. 88 inches closed and 3. 6 ounces CA13318 The Sowbelly knife was named for it resemblance to the shape of a "pig's belly". This knife is a heavy duty version of the Stockman knife that has Clip, Spey, and Sheepfoot blades. The Clip and Sheepfoot blade sit on the pocket end while the Spey blade sites on the cap end. The Clip blade is commonly