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Rock Climbing Photos : Indoor : Homemade polyester resin hold

Homemade polyester resin hold

Homemade polyester resin hold

A crimper (ok, jug to some) that I free-formed using a clay mold, and a mixture of polyester resin and silica sand. No dye was added, the mix just came out this dull green color. The hold is quite nice, but differs from commercial holds in that it is heavier and less abrasively textured. I suspect that hold manufacturers use a different type of sand, and perhaps add a foaming agent to the resin to make a less dense, more highly textured hold. Of course this is just speculation. Experimenting with another homemade hold, I found that fracturing one of these resin/sand holds with a chisel makes for very natural-feeling crimper with a nice crystalline texture.

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