Walmart has the Ozark Trail Fillet Knife, 6″ for only $2.97! (Reg. $10) The Ozark 6-Inch Fillet Knife is the perfect addition to any fisherman’s toolbelt. This all-purpose knife features an extra sharp stainless steel blade and soft touch handle designed specially for comfort and easy use. It also comes with a protective storage sheath making it incredibly easy to store.