The whole thing starts with one idea: a nautilus shell drawn in slip, coiled in a single spiral across a plate. That is a lovely starting point, because the shape does all the visual work once it is laid down.
The way the maker builds it is nicely economical. A flat circular slab sits on the wheel head, with a yellow splash pan fitted on the wheel. A large plastic syringe is filled with liquid slip, and the maker squeezes out a continuous spiral across the spinning clay. Then a blue flexible rubber rib is held against the wet slip while the wheel turns at a steady speed, and the rib combs the raised coils into a scalloped, feather-like pattern spiraling inward. The rhythm of that step looks like the heart of the technique.
Two details stand out to me. The first is the fingertip work: the outer rim is smoothed and trimmed by hand while the wheel keeps turning, which should give a clean edge against all that texture. The second is the result itself, a finished textured disc showing concentric circular rings across the surface.
The part that answers a common worry is that after firing the slip stays roughly where it was, so the raised texture remains and gives glazes something to work on. As for what is hardest, the maker says the trickier part is throwing the plate itself. The maker also notes this is not an invention, just a personal take on something seen elsewhere, which is a refreshingly fair point.
Project by Old Forge Creations. Watch it on their YouTube channel: