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turbo:

--- Quote from: nclonghunter on June 12, 2015, 10:15:22 am ---Nicely done Scott!

Is the overshot really a good thing to do? Seems to me when I have had an overshot it usually reduces width greatly. I have seen a quarter inch lost on the opposite side plus what you lose on the striking edge. I would rather have a good flake travel across but not create the overshot. If there is value in it, I would like to know....Thanks

--- End quote ---

There are different kinds of overshots, the ideal ones gentle feather out on the opposite edge oppose to taking out a chunk. Of course if you get the latter early on in reduction they aren't so bad to get, especially if they take out a square edge.

They discussed (and named) overshots in detail in the big thread on PP. I think the 'coast to coast' were the name of the ideal ones; would have to look again to be sure. Overshots are mostly associated w/ Clovis technology and are nice to thin a blade while maintaining width if they're done properly and consistently.

*I see 'caveman' posted as I was typing, Lucas is a super abo knapper, great vids and he also summed up the Clovis technology in one sentence opposed to my paragraph..lol

Zuma:

--- Quote from: caveman2533 on June 12, 2015, 11:57:38 am --- a great video of hammerstone  overshot flaking at the 10:45 mark check out the edge on his biface. If you were butchering, man what a knife.

https://www.youtube.com/watch?v=SeWWPbMFYYo

--- End quote ---

To bad I can't watch the video. So maybe you could
answer a few questions about it.
What does he start with? A round nodule. What material?
Does he make Clovis points with the same technique?
 I have no doubt that if you are adapt enough to create
overshot flakes at will, you are cool.
Although I doubt that less than 10 percent  of all
 knappers past and present can with any consistancy.
I'd like to see a show of hands here of the folks that can
prepare a platform on a Clovis type core and strike 2out of 20
overshot flakes. I bet Ben can't lol
Obsidian and quality cherts like Strings should be pretty simple.
I still contend that in abo projectile manufacture, overshot was the result
of going for the prize and comming up a little short. (loosing width)
I create overshots all the time. Mosty on large cobble reduction or difficult preforms. Never intentional
Zuma

JackCrafty:
Good thread.  As far as creating overshots at will, I can do it when I'm in a self-sabotage mood  (not good).  But that's freehand. 

Firm support methods are a different story.  I've found that certain "opposite edge support techniques" favor overshot flakes... and not just with percussion.  It works with pressure too.  Basically, you firmly seat the opposite edge into hard leather (or something that pinches/clamps the opposite edge) and the flake will dive before reaching the other edge.  It is a weird thing to do on purpose, IMO.  And it doesn't have anything to do with the tool you are using.

sleek:
I need rock nockin lessons... this is really vamping up my interest.

JacksonCash:
Ditto sleek- I have no idea whats going on with half of what anyone says in this forum, but they make some nice lookin points!

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