學習 Beginners part 1 - Side Rotors

So whats going on here? I take it this involves finger twirling?

sorry, but this isn't a very helpful video

I agre, it would be helpful if you could explain what you are doing in this video.

If you watch the main video on rotors, you'll see the hand work. This is the same but in a different plane. He's also transitioning from left to right. Sort of a two beat weave.