This graphic series is an outgrowth of my itaglio process.  Rather than plant materials, I first create hand-drawn stencils and use them as the resist to create the glaze contrast. In addition, I use a water abrasion technique which removes some to the clay around the stencil and creates a raised texture on the clay surface.   This gives a tactile as well as a visual experience when the piece is handled.  (I use Tyvek for my stencils because it holds up well to the process.)