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Wear technology
Dakota Kid:
Don't worry I won't get too crazy. It was just some new interesting info that I wanted to make sure I understood before I attempted to try.
If there is one thing I learned it's that every knapper has a method they prefer and they can vary greatly. That being said, I still enjoy trying a new approach when I learn one.
nclonghunter:
I have not had the oppourtunity to talk with JP or anyone about the out of mass technique but I have learned what you are describing on my own. As an added point I have found the the mass side will reduce flatter by flaking the length of the form rather than straight in working both A and B side. This helps to keep length and width. From the no mass side the thin edge is your center line so you are forcing your flakes from the center across and under the opposite side large mass. In order to make the edge strong enough not to crush on the thin mass side it will need to be grinded some which can reduce width some. In short take flakes from the thin mass side into and across the form but the mass side take flakes long ways until thinned enough to go in and across. Hope that makes sense.
Thanks for starting this theead, I think good info will come from it.
bowmo:
Switching from percussion to pressure isn't a hard and fast concept. More than anything it depends on your skill with pressure and the hardness of the stone. I routinely stop percussion way earlier than most and many other knappers seem to express surprise at that when knapping with me. If you can undercut most stacks, hinges, and thick spots with antler pressure why risk swinging at it more. That being said, I don't generally go for cracker thin as they don't look as usable to me.
bowmo:
Here's an older ugly preform I pressured into a point the other day. After the first pic everything is pressure flaking. If the second flute had gone a little further like I planned it would be quite flat.
bowmo:
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