That has to be part of the reason that archaeological cultures stayed stable for so long. If you owned a knife for 10 years and had to replace the stone blade every 6 months, then for that single handle there are 20 more-or-less identical stone blades lost in the ground somewhere. Multiply that by everyone in your group and the incentive to be innovative and experimental in your tool design almost vanishes. From the user's point of view they've owned one knife that had to have a new blade added 20 times. From the archaeologist's point of view, this same scenario looks like 20 different knives. Believe it or not, with stone technology its actually much easier and quicker to knap a new stone tool to precisely fit a particular handle than to carve out a new handle. Its easier and less time consuming to chip your stone tool to fit your handle than it is to carve your handle to fit your stone.
At the Saqqaq site, there were a bunch of cool wood knife handles found - some with the stone blades and lashing material (usually baleen) still in tact. Unlike the unifacial scrapers, the knives were bifacial, or knapped on both surfaces. Conceptually the handles for the bifaces are the same as the scraper handles, with a dish shaped depression to accept the knapped stem of the tool, except that since the tool is knapped on both surfaces, it needs a handle for each face. The two halves of the handle form a kind of two piece mold around the stone knife and are bound together by baleen. This style of handle seems to work best with bifaces with long stems. On a two inch knife, almost an inch of the blade is hidden inside the handle.
Palaeoeskimo collections from Avayalik Island in northern Labrador also contain wood handles in a lot of different forms. Many of them are one piece wooden handles with a carved slot to accept a biface. They have a narrow lashing groove and are designed for notched bifaces. The Middle Dorset Palaeoeskimo collections from this site are about 1600 years old, compared to the 3900-3100 year old Saqqaq site. Hafting bifaces like this with side notches leaves a lot more of the stone blade exposed. It seems like a more efficient way to get more of a working edge on the same sized biface. A two inch knife hafted through side notches would only have an half inch or so hidden in the handle.
Hopefully on Monday I'll have some photos of the finished pieces with the sinew and baleen lashings all in place.
Photo Credits: Tim Rast
Photo Captions:
First: Assorted Palaeoeskimo bifaces and unifaces with their handles in progress
Second: A Saqqaq side scraper reproduction in progress on a page from Grønnow, Bjarne 1994, Qeqertasussuk -- the Archaeology of a Frozen Saqqaq Site in Disko Bugt, west Greenland. In Threads of Arctic Prehistory, edited by David Morrison an Jean-Luc Pilon, Archaeological Survey of Canada, Mercury Series Paper 149.
Third: A pair of theSaqqaq style side scrapers and their handles
Fourth: The reproductions I'm working on and two of the references I'm using; Threads of Arctic Prehistory and the September 1980 volume of Arctic Vol. 33, Number 3.
Fifth: Assorted end and side scrapers with their handles
Sixth: Saqqaq style hafts - single piece for unifaces and two pieces for bifaces
Seventh: Avayalik Island style handle on a Groswater Palaeoeskimo knife reproduction.
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