A great help in ensuring food are the various methods of hunting are available in the circumstances.
Selecting the method of hunting depends mainly on the experience and the availability of hunting. In the absence of firearms can be hunted in many ways, also, some gear can make yourself.
Once in an extreme situation, and being one on one with aggressive outside world in an uninhabited wilderness areas, it is advisable to produce a semblance of primitive weapons, both for hunting and for protection from predators.
This is particularly useful where a man his invasion has not disturbed the animal world, which means that the animals have not yet learned to fear him.