The focus of "4-8 . . . Weave!" is on weavers learning how to create their own drafts with the tools of our time-computers. The software required, for either Windows or Mac OS, can be used in a demo (free) mode. Weavers learn at their own pace by following detailed tutorials covering such topics as Twill, Double Weave, Crackle, Jin, Polychrome, Interleave . . .