When you do a left twist, you reach behind and knit the second stitch in the back loop, and in this case, they want you to knit the two stitches together, I'm assuming through the front loops.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry