What Is A Spear Thrower When Do They First Occur And Why Is It A Significant Development?

What Is A Spear Thrower When Do They First Occur And Why Is It A Significant Development? A spear-thrower, spear-throwing lever or atlatl (pronounced /ˈætlætəl/ or /ˈɑːtlɑːtəl/; Nahuatl ahtlatl [ˈaʔt͡ɬat͡ɬ]) is a tool that uses leverage to achieve greater velocity in dart or javelin-throwing, and includes a bearing surface which allows the user to store