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ETH Wedge-System Canvas

Wedges, "spacers", "chocs" or "keys" are adjustable “wedges” of wood that are fitted into the corners of canvas stretchers. These are used for “re-tightening” your canvas should it have become loose or ‘bouncy’ over time, during transit, as a result of environmental fluctuations or simply because of pressure applied to it during the painting process.

We used a unique dovetail system which provides for the wedges to be pre-fitted at all the necessary points (8 wedges installed in eac