[Bonetools] help qith mystery bone

[SIDERA Isabelle]

Dear Marta, Hans and Ian,

Another possibility is a cutting edge tool led to exhaustion, which acted on a material of narrow shape. This specific U-shape of the end result from wear according to the following mechanism: while the cutting edge, thiner than the edges, wears down, the edges, thicker, wear less quickly and become prominent. This is a common feature which I could often observe on Neolithic and Chalcolithic tools.
Of course, this needs to be confirmed by wear observation.
Can you see any striation on both side of the U-shape end (if the surface of the bone is well preserved, you can see them with the naked eye)? Is the end sharp or smooth? Does the base of the tool show traces of percussion or not?

Best wishes
Isabelle

Isabelle Sidéra
Directrice de Recherche au CNRS
Laboratoire AUSONIUS - UMR 5607
Maison de l'archéologie
8, esplanade des Antilles
33607 PESSAC cedex

Chargée de cours d’Archéologie
Université Bordeaux-Montaigne

Le 13 mars 2023 à 10:35, Ian Riddler <trzaska2 at outlook.com<mailto:trzaska2 at outlook.com>> a écrit :

Hello Marta and Hans,

Apologies about the delay, this is a fascinating object. Is it hollow? I suspect that it might be. It is probably a fairly elaborate handle but there is also the possibility that it is a medieval lucet, an implement used to create braids. Difficult to see if there are any prongs at the end. The so-called ‘English’ variant of lucets uses caprine metatarsals and has two distinctive prongs at one end, as in the photo here. The earliest lucets go back to the late ninth century and they continue into the twelfth century.

Hope this helps,

Ian Riddler

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From: Hans Christian Küchelmann<mailto:info at knochenarbeit.de>
Sent: 11 March 2023 17:58
To: BONETOOLS<mailto:bonetools at listserv.niif.hu>
Subject: Re: [Bonetools] help qith mystery bone

Dear Marta,

I would like to use this strange piece as Bonetool of the month on the other day. Would that be possible?

With kind regards

Christian
--
Knochenarbeit

Hans Christian Küchelmann

Speicherhof 4, D-28217 Bremen, Germany
tel: +49 - 421 - 61 99 177
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> Am 27.02.2023 um 17:08 schrieb Marta Moreno García <marta.moreno at cchs.csic.es<mailto:marta.moreno at cchs.csic.es>>:
>
> Dear all,
>
> A friend of mine has come across this caprine metatarsal (photos attached)  among the faunal assemblage from a medieval castle in Spain. Although she thinks the artefact is medieval, she does not exclude the possibility of an earlier date because Bronze age levels were identified on site, too. The problem is that it derives from old excavations and the field notes are lost.
>
> Any comments on its use or parallels are most than welcome.
>
> Best regards,
>
> Marta
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