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A comment on Why human societies developed so little during 300k years. Parent comment

Re:Why human societies developed so little during 300k years by ioseph on Saturday April 08, 2023 @08:47PM (#35499107)
Bite them, tear them or wear them down with manual tasks I imagine.

Flint could make a blade sharp enough to carefully carve your nails back if you really wanted

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Re:Why human societies developed so little during 300k years by joseda-hg on Saturday April 08, 2023 @10:52PM (#35499683)
If you're careful you can bite a spot and then use a different nail to break the longer part without much hassle It's a lot less destructive to the teeth and has the bonus of smoothing the nail
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