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Donna, I never had a problem with it cracking. The slabs were the same =
moisture level and stored in a bag between classes. I think the =
difference is that putting a wet slip on a drier piece will cause =
cracking because of the difference in shrinkage rates. We used engobes =
over clay bodies when I was in high school and it was no problem either. =
I firmly believe that we learn by doing. If curious, try it. Some of =
our best inventions have resulted from this approach and it's like a =
mini adventure in learning for those of us "giving it a shot".
If you water down clay to make slip, and put that slip on the outside =
of a piece, won't it crack??? Is it true that "store bought" slips have =
an agent in them to stop the cracking???=20
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