This crochet scarf caught my eye--what is this stitch? I didn't have a clue, but do not be dismayed--we did some investigation to find Puff Stitch! And it comes on a website--crocheting for dummies! There are a couple of videos too that will help you navigate this stitch.
Step 1: Yarn over the hook.
Step 2: Insert the hook into the stitch.
Step 3: Pull the yarn through the stitch.
Step 4: Bring the loop up to match the same height as the previous stitch. There should now be 3 loops on your hook.
Tip #1: If there are no previous stitches and the puff stitch is your first stitch made, pull the loop up to at least match the height of a half double crochet stitch. The puff stitch may even be pulled higher if you choose to do so.
Step 5: Yarn over the hook.
Step 6: Insert the hook into the same stitch.
Step 7: Yarn over the hook.
Step 8: Pull the yarn through the stitch.
Step 9: Bring the loop up to match the same height as the previous loop. There should now be 5 loops on your hook.
Step 10: Yarn over the hook.
Step 11: Insert the hook into the same stitch.
Step 12: Yarn over the hook.
Step 13: Pull the yarn through the stitch.
Step 14: Bring the loop up to match the same height as the previous loop. There should now be 7 loops on your hook.
Step 15: Yarn over the hook.
Step 16: Pull the yarn through all 7 loops on your hook.
Tip #2: If you would like to add more loops to make your puff stitch even bigger and puffier repeat steps 10 through 16.
Step 17: Chain 1.