This video by Kelley Hobart from Alpaca Direct shows you how to knit a Left Cross (LC) and Right Cross (RC) to make stitch patterns for decorative patterns on your knitting without a cable needle.

You can put this decorative stitch to use with this Free Knit Hat Pattern along with other tips and tutorials: https://www.alpacadirect.com/blogs/alpaca-direct-blog/how-to-make-a-hat-from-the-top-down