"It is quite bizar how some people read plain english and come out with a totally different understanding of what was written.
This was not about a trade mark glaze that took a long time to devellope it was about the widely used Crack technique and or various glaze recipies."
It is quite bizarre that some people whine about not being able to get blood from a stone. You might want to ask another potter who's more amenable if you fail to get information about "a widely used crack technique." If the info is so "widely available" then someone else more willing to share it probably will, or perhaps, the info isn't as public domain as you think it is.
Jeez Louise, so Dale bitches about competition and fairs. So what?! To paraphrase Claude Raines "I'm SHOCKED, SHOCKED, I tell you, to discover a cranky bonsai artist..."