[Bonetools] Marks on a bone tool

[maltamirano]

Dear colleagues, I am studying a small bone assemblage from a Neolithic 
cave site from Granada, in southern Spain. I´ve seen some sort of small 
parallel groves over the edges of a point tool. Do you have any 
suggestion about their origin? Function?
Any suggestion is welcome!
Thank you in advance!

-- 
Manuel Altamirano García
Investigador Postdoctoral
Dpto. Prehistoria y Arqueología
Facultad de Filosofía y Letras
Campus de Cartuja s/n 18071
Universidad de Granada (España)
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