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Summary: It is important to leave a lot of clay on the bottom of a traditional Japanese tea bowl. Learn how to establish the hole and bottom of a traditional Japanese tea bowl in this free ceramics video.
Chris Cook received a BFA in ceramics and sculpture from Southern Oregon University where he studied raku, studio ceramics, stoneware, and various firing techniques under Jim Romberg....read more
"So here we go; it's not, it's not important at all really if it's centered. You want it to have that wobby shwobby is what they say, it's that organicness and I like my tea bowls to be nice and thick because I got to make it, because I'll take my tea bowls and send them across the country to get fired off in a wood fire; I only got one kiln and they, they have to be ready to go. So this is going to be a quick one, so you just watch. You find your hole; you establish your hole, you kind of get it centered; you establish your bottom. But I like to leave a lot of clay on that bottom because I'm going to flip it over; I'm going to trim a big old foot in it so it's got a nice pedestal to stand on when it's in the kiln and when it's sitting on that mantel or whatever you decide to use it as. So you want to leave a lot of clay on the bottom, when you come by the next day you trim all that clay off. So establish your hole just like all the other ones, get it as centered as you can; kind of flatten off the top, establish hole; establish bottom, flatten off the top. Now we're ready to plunge and just start ripping that thing apart."
eHow Article: Establishing a Japanese Tea Bowl on the Wheel