In reality you get the same holding power, you're just working harder. Been there myself, which is why I anneal it when I need it. The annealed copper work hardens as you bend and twist it. Even uncoiling it starts to harden it.
@ABCarve have you seen the Ryiobi DC500k? I don't know if it would be as strong as the Skill... there are quite a few other "imitations" on Amazon. I saw Ryan using the chisel adapter for the Foredom in a stream on a Chinese Quince... worked, but it was struggling. He did point out that Chinese quince was extremely hard to carve.
The RYOBI USB Lithium Power Carver is the industry's first cordless power carver. This carver allows for controlled carving with a 1mm stroke length and...
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There is also this beast from Arbortech...
Shop the Electric Power Chisel Kit with 7 Chisels along with more truly unique quality Power Carving Tools & Accessories for Angle Grinder at arbortechtools.com
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