How to do a Front post double crochet
Step 1: Yarn over (yo) and insert your hook from front to back between the posts of the indicated stitch on the row below, and then from back to front again between the posts of the next stitch
The hook should now be positioned horizontally behind the double crochet that you’re working around.
Step 2: Yarn over and draw the yarn around the post of the stitch.
You now have 3 loops on the hook.
Step 3: Yarn over and draw the yarn through the 2 loops on the hook, twice.
One front post double crochet (fpdc) is complete.
How to do a Back post double crochet
Step 1: Yarn over (yo) and insert your hook from back to front between the posts of the first and second double crochet in the row below, and then from front to back again between the posts of the second and third stitches.
The hook should now be positioned horizontally in front of the double crochet that you’re working around.
Step 2: Yarn over and draw the yarn around the post of the stitch.
You now have 3 loops on the hook.
One complete back post double crochet
Step 3: Yarn over and draw the yarn through the 2 loops on the hook, twice.
You’ve made one complete back post double crochet (BP dc).
How to do a front post treble crochet
Step 1: Yarn over twice.
Steps 2: Insert your hook front-to-back through your work, positioning the post that you want to crochet around in front of the hook.
Step 3: Yarn over again and pull through. There will be four loops on your hook
Proceed as normal with your treble crochet stitch: Yarn over and pull through the first two of the four loops on the hook.
Yarn over and pull through the next two loops on the hook.
Yarn over and pull through the final two loops on the hook.