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Summary: Burnishing the foot of a ceramic bowl eliminates scratches on the surface where it sits. Learn how to burnish a bowl foot with tips from a master potter 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
"Now it is time to take a look at it. It is fine how it is but I kind of like my feet to have an angle on them so I'm just going to go in there and put an angle on it and this serves for two purposes, aesthetically pleasing and it gives the glaze a place to rest, right there is where it is going to stop hopefully unless you didn't calculate your glaze right and it runs all over the place but if you have done your tests and you know how far your glazes are going to run then you stop it right there, the glaze will stop right there and then you have got your glaze right here and you have got your nice foot right here and I'm just going to get it a little wet, to flatten it down. You are going to round it out and make it look real nice and I'm also kind of burnishing the clay and that makes the clay surface really smooth so when it is flying around on a glass table it doesn't scratch it so think about it. There you go, trim bowl, foot, and do the other one in real time and then I'll show you how they nest."
eHow Article: Ceramic Bowl Foot Burnishing