Air Flow and coil placement tutorial for RDAs: Fine tuning

This video is for RDAs where the air comes in horizontally from the sides. There is no absolutely correct placement, but changing the coil placement half a millimeter up or down from the agreed upon optimal perpendicular points (3 or 9 o'clock), you can change the flavor characterisitics very much. I'm afraid you'll have to watch it all this time to get the concept of it, but what's more fun than watching vapor rushing by in slow motion?
EDIT:
If the air is comming in at an angle in your RDA, no fine tuning will correct that or have any significant influence. Just make shure the flow hits the coils perpendicular, and use the clock as a referance. If the air is comming in at an angle of 60 degrees from top or bottom, it should hit the coil at respectivly 1 or 5 o´clock (or 11 or 7 o'clok).