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Presure flaking arrowheads?!?!

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D. Tiller:
Well, I am down right confused!?!? Here it the problem. I'm making some arrowheads to mount on my arrows for hunting in the future. I make most of my stuff out of daysite and obsidian and am having the dickens trying to even out the points where the bulb of percusion is at the tip. One person told me to raise the platform above the centerline here and then, abraid and then presure off a flake?!?! Will this work? I have also been told lower the platform bellow the centerline and then flake. Is one for sharpenning and the other for thinning? Me confused!!!!  (Oh! and place primitive grunting here and head scratching!  ;D)

David T

mullet:
   David,Take your abrading stone and abrade the bulb down. Then abrade the edge of your point at an angle away from the thick part.Then come back and run your flakes over the bulb. Make sense?

jamie:
ed any chance of you doing a pictorial of setting up platforms and other tricks. its something we really need on the site? its just too hard to explain flint knapping with words. peace

D. Tiller:
Hmmm! Kinda Mullet. Are you saying I should abraid down the bulb of percusion completly?  Seems like a bit of work to even out the bulb. Might it not be easier then to just use a blade core with thicker blades, notch the blades and then brake out a form and then flake it? If so that will be what I will do. But, I just hate wasting all this material I have laying arround from percusion flaking.

David T.

mullet:
 It's easier David but not as good.I'm talking about rounding the bulb not erasing it.Make it smooth,then your flakes will run and not "deadend" against a ridge.Jaime,when I get home tomorrow i'll try to get the wife to take a few pictures.Or better yet;I'll go by Claude Van Orders house and I'll take pictures of him.

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