The Crook Knife or Crooked Knife, Eskimo or Indian Knife. This knife allows you to carve wood in to shapes. You can use this knife to make spoons or bowls. By doing this you are making handy tools to use while outdoors. Settlers used this knife to help minimize load bearing. This way they only carried on horseback or stagecoach what was truly needed. If I were in a survival situation this would be my knife of choice. Aside of that bushcraft skills on weapon or tool construction would serve me well.