Prep for the second dip: Once all of your chocolates are cooled and trimmed, it's time to dip the top. Move the trimmed, half-dipped chocolates to your left and place a clean sheet of parchment on your right. If you are using a garnish, make sure it's nearby.
Check the dipping chocolate: Take a look at your tempered chocolate, and if it has cooled too much, follow the instructions above for bringing it back up to temper. You can also take a small break at this point and then just re-temper the chocolate when you return.
The second dip: Pick up a chocolate. Holding the chocolate by the edges of its coated base, dip it into the chocolate with the top, un-coated side down, so that it is completely submerged up to — but not covering — the bottom. As soon as it is submerged, grasp the chocolate gently by its bottom edges using your thumb and index finger. Remove, shake, and flip your wrist so that the top of the chocolate (the freshly dipped part) is now facing towards the ceiling. (This may or may not create a little curl on the top of your chocolate. Practice!)
Place on parchment and garnish: With the freshly-dipped top of the chocolate face up, slip it off of your fingers and onto the parchment using your middle finger to lift and push if needed. Gently place the optional garnish on top using your clean hand.
Repeat: Repeat with the remaining chocolates, keeping an eye on your chocolate so that it doesn't cool too much.
Trim the chocolates: Once your chocolates have cooled, go over each one and trim off any excess using the small knife.
Store in an airtight container: If storing your chocolates for any length of time, place them in an airtight container with a layer of parchment in between them. For displaying and gifting, place in individual paper cups. Enjoy!