"Show me how, 500 things you should know"
Here you can see how to catch fish, either bare-handed or with a trap. If you don't have any water nearby you can fire-roast a tarantula instead.
This might be more useful; toast on a stick, some kind of marshmallow and open a wine bottle against a tree.
Last but not least, how to repair your jeans if they rip when you're doing a high-kick.