A knitting machine is described, which includes at least one carrier provided with knitting tools (2, 3), a cam mechanism with at least one knitting point (71) for moving selected knitting tools (2, 3) into a yarn pick-up position and a striping attachment for feeding selected yarns to the knitting tools (2, 3) brought into the yarn pick-up position. According to the invention, the striping attachment has at least one first and one second yarn changing device (73, 74) such that yarns (78, 79) fed optionally by the first or the second yarn changing device (73, 74) may be laid into the knitting tools (2, 3) brought into the yarn pick-up position at the knitting point (71) (FIG. 12).