It might not be the zombie apocalypse that brings the world as we know it to its knees, it could be a meteor, nuclear war or a whole number of different natural disasters. But the fact is still the same, after surviving that you need to find water, food and shelter.
The problem is, you might not have any tools so when you come across a supply of tinned food that does not have a ring pull top, how are you going to open it? The answer is actually easier than you might think thanks to the Crazy Russian Hacker.
More great survival tips can be found on the YouTube of the Crazy Russian Hacker, there are some great hacks on here so watch them before the zombie apocalypse happens and the power goes off.