Arctic Legend Hobby Knife Carbon Steel Curly Birch is a traditional Finnish Puukko knife created for  outdoor, handmade from natural materials. The Hobby Knife has a Rat Tail design. It is equipped with a blade with a straight back and flat grinding and vertical manual satining/oxidation. The ergonomic handle is made of birch wood and antlers. The knife comes with a hand-sewn leather sheath to be carried in an upright position.