The pattern say this:
Knit 22 sts and place on a holder. CO 2 sts and knit across the next 27 sts, CO 2 sts, working with another set of needles and on these 31 sts, work in sockinette for 22 rows.
I'm a bit confused. What's on the new needles? Where?
And also, how do you CO while knitting?