How to Do a Yarn Over

Knitting Short-Rows: Learn the Yarnover Method

Improving Your Lace: the Reverse Half Yarnover — Knitrino

tutorial - working a double yo - La Visch Designs

How to Yarn Over (YO), Knitting Tutorial

Afterthought Yarn Over

How to yarn over - purlwise and knitwise (yo)

How to Knit Yarn Over Short-Rows, Knitting

How to Do a Double Yarn Over in Knitting - Howcast

How to do a yarn over when purling (wrong side of work) (Tutorial Video)

HOW TO: Twisted Yarn Over – Increase without a hole - Oh La Lana! knitting blog