Locking the unused (floating) yarn in stranded knitting every other stitch creates a gorgeous back that almost appears woven. This tutorial video demonstrates locked floats when working the right side (or in the round) using two colors.
by OlaJoe - The Crocheting Sailor
by Хочу Творить
by Suzanne Bryan
by MR. CREATOR
by click2 papercrafts
by All About Easy Craft Ideas