Instructables user cbm104 attributes this cool trick to a leather-working book published in the ’60s, the title of which he does not remember. If anybody knows the reference, I’m sure he’d be glad for a heads-up. Or just leave a comment here and I’ll pass it along.
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I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.
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