The protocol included on this peer-review article is published on protocols.io, (dx.doi.org/10.17504/protocols.io.ewov1qxqkgr2/v2) and is available to download it [94].

<p>The references to the protocol on this article are expressed as (S1 Part X in S1 File). All the raw data needed to replicate this protocol has been uploaded in the Research Data Repository (CORA) (<a href="https://doi.org/10.34810/data924" target="_blank">https://doi.org/10.34810/data924</a>), including the pictures taken and used on this protocol (.jpg), the three dimensional model of each refitted artefact (.mtl and.obj), an interactive 3D model of the refitted sequence (3D.pdf) the flowchart of the refitted sequence, the table with technical attributes [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0309611#pone.0309611.ref108" target="_blank">108</a>]. A step-by-step explanatory video of this protocol is available in the digital deposit of documents of Universitat Autònoma de Barcelona [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0309611#pone.0309611.ref107" target="_blank">107</a>].</p> <p>(PDF)</p>