This wonderful effect is closely associated with Billy McComb. A red silk is changed into a yellow silk as per the description above. Performer explains how it is done, but the more he explains the less the audience understands! Finally the audience things that you are caught as you stand there with half a red silk sticking up from your fist and half a yellow silk hanging down it. You admit that this is a difficult situation .... but with magic you can solve it: Pull out the silk from your fist and it is half red and half yellow. Complete with special 30x30 cm silks and Dye Tubes.