To cut off knots, cut off the desired portion of the workpiece, you will need a small hatchet and a hacksaw. Cut the bark, making incisions with a knife-jamb, similar to shoemaking. A small knife can be made from a broken saw blade on metal. Bark is removed something flat, a chisel, a kitchen knife or other suitable tool. For marking the necessary ruler, triangle, compasses and penknife and scissors. Round hole punching are doing, they can also be made of conventional tubes, stachiw file one end. For processing bark used special tools on them will be discussed separately.