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Clever, simple idea for a workholder that grabs automatically when you push a board into it, and releases automatically when you pull it out.  From medicinal chemist and woodworker Brian Grella.  From where I sit, it looks like you might only need to make one of these rotating cams, and the other side of the clamp could be a fixed, flat fence.  [via Instructables]

Bernoulli Spiral Clamps

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I write for MAKE, serve as Technical Editor for MAKE magazine, and develop original DIY content for Make: Projects.


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