First, for those of you who do not know, char cloth is basically baked cotton cloth to be used as tinder in lighting a fire. This is traditional method for flint and steel. In a upcoming video I am actually going to try making my own char cloth. Here is a nice article I found on the process http://www.bushcraftliving.com/skills/36-campcrafts-diy/88-how-to-make-char-cloth.