This effect appears described briefly, yet adequately, in the Singapore Lecture Notes. This is a more thorough description and is accompanied by clear photographs, making it easier to learn.

The routine uses four black cards, and four red cards. Interlaced three times, they always separate. The moves used are smooth and create a lovely illusion. It does not look like sleight of hand, it really looks quite convincing! Heavily based in Marlo's work.

1st edition 1985; 1st digital edition 2009; 18 pages.
word count: 1648 which is equivalent to 6 standard pages of text