Software clay is the weaving of prehistoric people. As the device is used to spin cotton into yarn so. From archaeological resources found mainly made of clay. The half-circle shaped like a cone or a cut or abacus. Drill hole Is critical to the spinners. It's used as ballast water leather fibers. The software to plug the hole. The other end of the axis of the fiber. When the spin axis of the centrifuge spin. Centrifugal and axial load to make fibers twisted into a yarn regularly. Software clay as artifacts found in archaeological sites, ancient and semi-prehistoric as Ban Chiang - Chiang Thailand. Bangkok, archeological Pong Manao Thailand. Lopburi, Archaeological smear Chaibadaln. Lopburi and archeological his glasses Chumphon. Etc.