There are a number of ways to create buttonholes in knitting. This technique focuses on how to close buttonhole that are worked across two rows of knitting.
Pattern Specific Variations to Close Buttonhole
Sometimes, I include technique variations that are for specific patterns. I always include directions for specific techniques in the pattern itself, so be sure to also read any patterns you’re working on closely.
Close Buttonhole Variation for Windsor Nursing Shawl
Note: For a larger buttonhole, do three wraps, then drop the middle wrap without working.
Knit to 1 stitch before the dbl-YO. K2tog the stitch and the first YO loop, k2tog-b the second YO loop and the next stitch.
Also see: Making Button Loops