That fern pot with the cracked bottom from a previous post did not fall apart in the glaze firing but did what I had hoped. Just enough celadon froth glaze ran into the crack to seal it shut. In fact it hides it quite well. Not so defective after all. Good or bad, the finish has a lot going on...light slip over dark slip on a speckled buff clay with carving to expose the under-layer. In the future, I will have to try variations of this technique. The kiln gods were not appeased this time. There's always a next time.....Yikes!