How about this little guy? IN'AX NANO clone. 18350 mod with hybrid dripper. With the new AW 800mAh, you could actually run this thing with a .35ohm build. Of course, you'd need a pocketful of batteries.
Here it is in a lineup with a tube of lip balm, a 15ml bottle, and an 18650:
And next to my smallest 18650 combo (SMPL/Hobo):
Here it is in a lineup with a tube of lip balm, a 15ml bottle, and an 18650:
And next to my smallest 18650 combo (SMPL/Hobo):