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Like the Clovis point, Waters believes the 15,000-year-old weapons recently uncovered in Austin were used to hunt large animals.

The Clovis people invented the "Clovis point," a spear-like weapon which has been discovered in portions of the U.S. and Mexico.

It was a Saturday competition at Clovis Point Intermediate School, and the Wildcats were getting ready to take the field when their robot died.

Its hallmark was the “Clovis point,” a four-inch spearhead with a slightly cut-in, concave tail; in silhouette, the points somewhat resemble those goldfish-shaped cocktail crackers.

“This site is telling us that people came up with the basic technology to morph into Clovis. They were making bifaces, bone tools, blades and bladelettes. All the techniques were here that you needed to invent the Clovis point which caught on and spread like wildfire across North America,” he said.