Fanning is like "Clapping" ...as per Master Yoda Quote..."you can clap can't you...
Swivel would be "Pronation and Supination'....Anatomical motion
Fanning is external and internal rotation at the shoulder joint....Anatomical motion...
GOLF Terminology...
However it's attention and execution is with a stiff wristed...Slappin/clapping motion of the right forearm.....
"
But it is the "backward motion of the forearm...
Right Forearm Pick-up...is the upward motion...Picking up your phone
So Up and Back and IN.....Sametime/In an instant!!!
So...it is simple as "Clapping"...Nothing more...nothing less
Hybrid Mode
