Outdoor Reliance

 Put cloth into container cover with lid and wait for the smoke to finish coming out of the container. 

Make sure to allow a small opening in the lid so that smoke will be will be able to escape. Your trying to starve the oxygen in the container. When no more smoke comes out, remove the container but do not take the lid off until it has cooled down completely. If you take the lid off too soon the charcloth will combust on its own.

 Finished product. The cloth should be completely black.

Use flint and steel to strike a spark into the charcloth.

Spark will catch and grow into a coal. This coal is will be difficult to put out so use the coal to blow a tinder bundle into flame.

Charcloth is good to have because it will catch at the faintest of sparks. Also, knowing how to make it will enable you to have more options in the bush to create fire.