Learn the slip stitch, or 'sl st, slip' as it might appear in your knitting pattern. Annie's Stitch Guide offers you instructions for this knitting stitch.
i.ytimg.com/vi/ls49cT9Yyfw/maxresdefault.jpg
List of knitting stitches - Wikipedia
Slip Stitch Knitting Techniques (Purlwise and Knitwise) - Studio Knit
Learn to Knit: How to Work Slip Stitch Edges on Garter Stitch - Stolen Stitches
Slipped Stitch Patterns – tin can knits
A hand knit consult to machine knit slip stitch –
Knitting 101: How to Slip a Stitch - Knitfarious
Lesson 12: How to Slip Stitches for Beginner Knitters - GoodKnit Kisses
Free Knitting Stitch for a Slip Stitch Diamond - Knitting Kingdom