Experiments using obsidian artefacts were conducted to replicate tattooing.
Diagnostic usewear and residues created by experimental skin piercing were recorded using high power microscopy.
Usewear and residue analyses of obsidian artefacts from the Solomon Islands were analysed using high power microscopy.
Obsidian flakes with retouched points were used as tattooing tools 3000 BP at the Nanggu site.