The tangerine technique is like a light switch. Switch it on by touching the top back part of your head. Now that you have a point of awareness you just start previewing, PhotoReading, Postviewing activating... whatever.
If you happen to be aware of it it's the same as feeling an itch while you're doing something. In this case it's not something that distracts you it's something that helps you to focus. And if you actually touched the top back part of the head to trigger it you will notice a feeling there. That you can be aware of while you are reading or writing as I am right now.
AlexK
