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Tearing Rims (On Purpose)


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A few years ago I tore off clay around the rim of a bowl because the top part flopped and I wanted to save it. It turned out very nicely and several people bid on it in a silent auction.  I can't remember how I did it, i.e. how dry the clay was when I tore it off. Any suggestions?  

Here's a photo of the one I did two years ago:

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pretty bowl, nice glaze on the interior.  is it rutile blue or something commercial?  

 

a little dry helps.  it also helps to pull twists off first and then connect those places with a deliberate tear between them.  sort of like bitemarks.

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Love the inside glaze!

I'd do this at wet leather hard stage. Use a pointed blade or pin tool to mark the line and gradually go deeper until you can cut it off. Finish with damp finger tip or sponge.

If you you want a much finer feathered top edge, the whole process can be done with wet fingertips pinching and pinching more and more (keep wetting fingers) until edge is as fine as you want.

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The glazes I used are Turkish Amber (Laguna) and Hot Chowder (Spectrum).  Since Hot Chowder runs so much, I kept it mostly on the inside. It does fantastic things with lots of other glazes, but you have to be very careful.  Spectrum changed the name last year, I think, from Hot Chowder to Running Hot Chowder!!!

 

I like the torn edges rough looking, so I think it works best at hard leather.  The first time I did this was on a tall hand-built vase that I didn't like.  I was planning to recycle the pot so I just started tearing it into pieces. After two tears I saw that the proportions were much better and the torn edge was a delightful design element. 

 

I had forgotten about that experience until just now, or I wouldn't have posted my question!  Thanks for the memories...

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