DNK Knives is proud to carry our selection of Slipjoint Knives, which is a type of pocketknife that has a handle with a folding blade. These types of folding knives are kept open by a spring, and close manually back into its handle. If you have questions about our Slipjoints / Nonlocking Folding Knives, contact DNK Knives to learn more about them before you purchase.