Fire-saw

So let's say you want to start a fire. But you don't have matches or a lighter. What can you do? One way is to use a fire-saw!

A fire-saw is a tool that uses friction to create heat and ignite a fire. It's made of two pieces of wood: a flat, long piece (called the baseboard) and a shorter, round piece (called the spindle).

To use the fire-saw, you first need to find dry, dead wood to use for the baseboard and spindle. Then, you place the baseboard on the ground and hold it still with your feet. Next, you take the spindle and press it down onto the baseboard, rubbing it back-and-forth really quickly with your hands. This creates a lot of friction and makes the spindle get hot.

After a while of rubbing, you might start to see smoke coming from the point where the spindle and baseboard meet. This means that the heat from the friction is turning the wood into charcoal. Then, if you keep rubbing, the charcoal will get even hotter and become a spark!

If you're lucky, the spark will fall onto some dry leaves or twigs nearby and start a fire. Hooray! You did it!

But fire-saws are really tricky to use and take a lot of practice. So it's always a good idea to pack some matches or a lighter, just in case.