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I have some students making simple clay containers. They have planned some
interesting repeated designs to put around them. Rather than just carve the
designs into the clay, I would really like to cover them with a red slip and
scraffito the designs so they show up as white lines and shapes on red
ground. But I need to know how to make sure the slip will not crack off the
white clay. Can I use red clay, or do I have to use the same kind of clay and
change its color by adding iron oxide to it? I have a book that tells how to
color clay, but I'm wondering if it's necessary. I have red clay that could
be watered down and painted on if that would work.
If anyone has tried this, I'd greatly appreciate a few words of advice. Or
any good resource you have discovered. Thanks, you are always a helpful