NOTE: Will fix the videos when I have a chance. Apparently it doesn’t work on iOS. I put together these videos using QuickTime player recording. Now I have a better screen recording app which will work on iOS. — March 04, 2016.
This is an example of how I approach it in Blender. In the picture and videos, what you’re looking at is the top of the nose flowing to the mouth area. There’s a thought process behind it which I’ll talk more later in the future (God willing).
Another approach is to think of the L-Flow and Spin Edge: