We got an inquiry about how to knit a loop stitch pillow instead of crochet one like the pattern here
If you haven’t found a pattern you want to use for knitting your pillow at either Knitting Pattern Central or Ravelry there is an explanation at this site: http://www.dummies.com/how-to/content/how-to-knit-throw-pillows.html
Also, there are a couple videos you might want to check out.
The first, at this link, http://www.youtube.com/watch?v=ssbkMawpE-M is demonstrated with Super Bulky Yarn
The second, from KnittingHelp.com shows how to make double looks with worsted weight yarn. Just scroll down the page to find ‘Decorative Stitches’.