The first stitch you purl as normal, but don't slide it off. On the second sticth, insert your needle into the back loop, from left to right, wrap, purl and then slide off the needle.
"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