With its powerful jaws and teeth, Paranthropus (shown in a composite photo illustration) was thought to have no need for stone tools to process food.Roman Uchytel/Prehistoric Fauna Studio
A very primitive fly rod....
Genetic anomalies and or birth defects.
Non-human animals use tools. Gulls use sticks to pry oysters out of shell.
OTOHand, if something uses a tool to make another (generation) tool, that is something!
Given that crows can use tools, perhaps tools aren’t the best indicators of early human development.
Even birds have been shown to use tools. No surprise that monkeys use them.
The ancient butchers left two hippo carcasses, many large-animal bones bearing cutmarks from tools, and 330 artifacts, including blades used to cut meat and plants. Plummer’s team used multiple methods to date the site to about 2.8 million years ago, with a range of 2.58 million to 3.03 million years.
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Keep firmly in mind that from 2.58 million years ago to 12,000 years ago, nothing happened.
They had to be tough to take on hippos.
I had an ancestor that used a Dremel tool.