There is place on the page for your own thumbs to participate in the action.
The reader, as both voyeur and holdup artist, actively participates in this drama of mounting suspense and nonsense, along with nineteen other parts of thumbs from many walks of life. Photographs of the thumbs positioned along the edges of each page as though gripping them encircle a playful cacophonous conversation printed in green.
References: Umbrella v.3, no.4, Summer 1980, p. 86. Drucker, The Century of Artists’ Books, 1995.