The only thing I could find on open ribbing was for knitting looms and such. If you Google "open ribbing" there are sites that show how to do it on an loom.
"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