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.