Bobble (bo): Yarn over, insert hook in indicated stitch or space, yarn over, pull up a loop, yarn over pull through 2 loops, (yarn over, insert hook in same stitch or space, yarn over, pull up a loop, yarn over, pull through 2 loops) 4 times (6 loops on hook), yarn over and pull through all 6 loops.
Note: This stitch has many variations, be sure to check the special stitches description in your pattern before working the stitch.
Bobble Stitch
Yarn over
Insert hook in indicated stitch or space
Yarn over
Pull up a loop
Yarn over
Pull through 2 loops (2 loops on the hook)
(Yarn over, insert hook in same stitch or space, yarn over, pull up a loop, yarn over, pull through 2 loops) 4 times (6 loops on hook)
Yarn over
Pull through all 6 loops.
Pro Tip: The bobble stitch described above works best with half double crochet stitches as the background stitch. Half Double Crochet is short enough to let those bobbles pop without creating too much puckering.