The important thing here is to use a new surface of the paper towel for each swipe. (oldthingsnewblog.com)
The drawings are made through a technique that involves applying latex to the negative space of the image, after which ink is applied over the entire surface of the paper. (arthaps.com)
Upon completion, inevitably there are multiple drawings that exist beneath the visible surface of the paper, without which, what is visible would not have come to be. (juxtapoz.com)