Now for a decrease with a left slant: slip one purl wise, knit one, the usual way, and pass over the slipped one. purl one through the back loop, knit one, purl one through the back loop, knit one, now, the middle stitch, purl one through the back loop, and now mirror, knit one, purl one (back loop), knit one. purl one (back loop), now purl two together through the back loops, knit one, purl one (back loop), knit one, purl one (back loop), yarn over, purl one (back loop), knit one, end of pattern repeat. 