Tip - How to Use Canvas Stretcher Keys | eHow

Published  | Submitted by Al Linda
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The wooden frame of a painter's canvas may shrink over time causing the canvas to sag. To fix this problem use canvas stretcher keys. These keys are small wedges of either wood or plastic you may insert into the corners of canvas frame. The keys push the canvas bars back into position and tighten the canvas. Canvas keys are either pre-inserted into...

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Posted: 9 years, 5 month(s) ago

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