▲ | jampekka 3 days ago | |||||||
Such work e.g. here: https://www.nature.com/articles/s41597-020-00704-x | ||||||||
▲ | ants_everywhere 3 days ago | parent [-] | |||||||
hatching and crosses are used even today on tools to make them easier to grip. We'd expect them on smooth and hard tools made of bone or rock. | ||||||||
|