Did more than one ancient human relative use early stone tools?

"I have been skeptical of I Paranthropus i using stone tools.... But maybe we do have multiple hominins using the Oldowan", Finestone says. Many saw the Oldowan as a key technological revolution that helped early I Homo i expand its diet, adapt to different habitats, and rapidly extend its range in Africa and beyond to Asia, where some of the oldest I Homo i fossils are found with Oldowan tools, also known as Mode 1 tools. Scientists find oldest Oldowan butchery tools - long seen as a hallmark of our own genus - with I Paranthropus i fossils As thunder boomed and dark rain clouds gathered on the last day of the field season in Kenya in 2017, paleoanthropologist Emma Finestone was rushing to record the location of fossils while excavators were hoisting an ancient hippo skeleton out of the ground. [Extracted from the article]