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					Originally Posted by mross
					
				 
				Intrestingly the horse-hoof exhibits many characteristics of a twist-core. The photo's don't seem to show it but... 
			
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 If I was more confident in my etching abilities (I have a bottle of etchant solution from RadioShack purchased for this purpose that remains unopened to this day), I would be in the process of finding out...  
 
Rick - thanks for the Yakan suggestion & another anthropological lead to follow. Don't know when Yakan people first started settling on Mindinao, but surely there must have been established trading amongst neighboring populations?