yarn over purlwise
YO simply means ‘ Yarn Over’ and is an increase stitch which creates a little hole in your knitting.
There are 2 different ways to do a Yarn Over depending on if you are knitting or purling. Right now we’re talking about a yarn over purlwise.
Take your yarn over the top of the right needle and bring it back under so you’re back in position to purl. You can now purl the next stitch and you will have created your yarn over stitch.
A yarn over will both look like a little ‘hole’ in your work and create more stitches on your needles.
When you come to work your yarn over stitches on your next row, simply knit or purl them as you would a normal stitch.