Are there eyelets to pull the yarn through? If not, maybe they want you to weave the end in and out across the edge so you can gather it to be tighter.
"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