HackaDay posted the simple instructions below. They seem to be a lot more complicated in practice than in theory.
Make a cut at the bottom of the lining of your jacket or any clothes. Put a strip of iron-on no-sew hem tape, top with a strip of carbon tape. Press with an iron. Convenient to operate if cut small pieces of carbon tape and spread it inside his jacket, like a mosaic. Place the strips of carbon tape as close as possible to each other, to avoid gaps. Step by step, fill the entire area of your jacket with the carbon tape.
DUMMR.com 