Edit: Here is how the Mayans deformed their childrens’ skulls: https://en.wikipedia.org/wiki/Artificial_cranial_deformation#/media/File:Maya_cranial_deformation.gif
Edit: Here is how the Mayans deformed their childrens’ skulls: https://en.wikipedia.org/wiki/Artificial_cranial_deformation#/media/File:Maya_cranial_deformation.gif
I don’t think it’s necessary since the Mayans artificially deformed the skulls of their infants. We know how.
https://en.wikipedia.org/wiki/Artificial_cranial_deformation#/media/File:Maya_cranial_deformation.gif