If there is one disadvantage to round bench dogs, it is that they can occasionally rotate as you are clamping something between two dogs or when you are planing against a single dog.
It’s a minor annoyance, but it’s real.
An Italian reader devised a very clever solution to this problem that is quick. I hope I’ll have some time to try it out when I return to my shop at home next week.
The idea comes from Leonardo, one of the moderators of Legnofilia forum: www.legnofilia.it. The photos and description below come from Andrea, a blogger at www.langolodispogliainferiore.blogspot.com.
Take a pad saw, the one with a dark handle and brass fittings that you bought on eBay because it was so pretty and then you put away because you did not know what to do with a coarse, slim and cut-on-the-push-stroke saw.
Straighten the blade and file it rip. Cut about a half-centimeter-deep kerf along the face of a round wooden dog with your so pretty and now useful pad saw, and do the same along your round dog hole. (If you are tails-first person you can reverse the sequence.)
Now find a flat strip of metal that fits the two kerfs. Any metal is fine, but avoid mercury and plutonium. Iron, copper and brass are OK. File an ovolo, a bead or a lamb’s tongue on the exposed corners of the flat metal strip and you are done.
This is a fantastic idea. Give it a try and then let us know how it goes.
— Christopher Schwarz
P.S. I might just try to modify the dog holes on the 18th-century workbench I built – entirely by hand – for this DVD. It’s an interesting journey into handwork.
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