Tips & Tutorials: Knitting Tension Swatches 'in the Round'

When a sweater is knit in the round, it makes sense to knit your tension swatch in the round as well.  People invariably have different tension on their knit rows as compared to their purl rows and this can be sufficient to "throw off" your tension swatch.  Use either a 40cm circular needle or double pointed needles in the size you are checking. You could start a matching hat if you want to use your swatch!