How to make a slip stitch

 1) Insert the hook into next st, yarn over the hook and pull through the stitch and a loop on the hook.

2) A slip stitch is made (in a blue circle).

Summary for “Slip stitch (sl st)”
Insert the hook into next stitch (or chain), yarn over and pull the yarn through the stitch (or chain) and a loop on the hook. One slip stitch (sl st) is made.