Now that you brought it up, you gotta do it! That was me with the 4X Shooter rig. 
That reminds me, I have some photos to post in the Q8 thread… 
I could only assemble a single GT dumbbell with the help of my friend’s GT. You can make a pair! :partying_face:
You can run two carriers back-to-back with an insulator between them and both heads will work. Ask me how I know.