Questions for “Tennessee site yields oldest known American tattoo tools”

Two previously unearthed turkey leg bones with sharpened tips (top) are the oldest known tattooing tools. Two other turkey bones from the same site (bottom) may also have been used for tattooing but lack tips for analysis.
A. Deter-Wolf, T.M. Peres and S. Karacic/Journal of Archaeological Science: Reports 2021