To be clear, I am not saying I invented this but rather I had never physically encountered it before nor had I seen it any magazine or publication (this did pre-date the internet by quite a few years). What I can say about this surface is that I did not decide to carry out this testing based on something I had seen but rather something else, arts and crafts pottery and reduction lusters on majolica triggered this whole line of inquiry. Before I seemed to move on from this technique, I had also started firing small pieces in saggers that had pulverized charcoal and sometimes oxides mixed in and spread around the base of the enclosures to further effect the surface. Honestly like much of my testing over the years this was highly enjoyable having an idea and being able to put it into practice and reality to make this wonky "new" Shino come to life.
(*As sure as the earth spins around the Sun, am sure that someone out there is going to pre-date my testing and use of this glaze)