Windust points, Parman points, and related forms are part of this tradition.

The technology is fundamentally different from Clovis in design, manufacture, and the specific choices made in producing the tools.

The key question was: when did the Western Stemmed Tradition begin, and how does its beginning relate to the beginning of Clovis?

The Clovis First model implied that Clovis came first, and that the Western Stemmed Tradition developed later — either from Clovis technology or from a separate population that arrived after the initial Clovis wave.

But some archaeologists had been arguing, against the Clovis First consensus, that the Western Stemmed Tradition might be equally old, or even older.