1) Fern stems, when skinned, are edible
Roots are edible, too
2) Do not tighten condoms while transporting water, because it is impossible to open without tearing - use rope or cloth to fix the top of condom.
3) Put fresh leaves and grass in fire in case of big smoke is needed. To keep insects away or attract attention.
4) Use long stick with Y-shaped end to immobilize dangerous snakes.
Cut the head of a snake - their meet is edible.
5) Do not forget to fix yourself when sleeping on tree
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