A Double Yarn Over creates two new stitches and results in a much larger hole than a single yarn over. This video demonstrates a Double Yarn Over between knit and purl stitches for both Western and Continental knitters.
Did you forget to place a yarn over in a row of knitting? No need to rip out the row! Place the yarn over in the following row and continue with your pattern by working an Afterthought Yarn Over.
Dropped yarn overs can be a vexing problem! Watch this video to expertly repair dropped yarn overs in lace knitting and more.
A yarn over is a simple increase that creates a lovely hole and is the basis for lace knitting. You may have made a yarn over my mistake, but in lace knitting we create holes with a purpose. Both yarn overs before a knit stitch and purl stitch are demonstrated in this video.