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ever try the ulna bone for pressure flaking?

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Ed Brooks:
after my 2nd break this am, this is what I found in that rock, nothing special but would leave a mark. Thanks for looking, Ed

nclonghunter:
I have used ulna bones from deer I have taken. I am not overly impressed with them on harder rock. I am certain on obsidian it would work well. From medium sized whitetails the bone is not thick and chips easily. It does not take long for it to shorten. It also needs a little edge grinding or filing a lot to keep a blunt edge from the edge breaking off or crumbling. I do a lot of rhyolite knapping and it is necessary to get good edge flakes to thin the point before even trying an ulna bone. They will work but I rarely use one now. I have seen pictures of ulna bone artifacts with long sharp points described as knapping tools. From my expierence it wouldn't even make one good edge flake.
Perhaps heavy mule deer or big northern whitetail bucks may have stronger ulnas but I would be surprised if they did much better.
Just my expierement and results.

iowabow:
The unla works amazing well with burlington.

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