You could cover the entire back and tack the corners of the squares down kind of quilt-style. Or you could knit a back of textured squares so it's a two-sided blanket.
"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