Headspins in such a low gravity are a pain in the ass because you tend to fly away so easily. I'd suggest starting in a higher gravity. You can put a lot more force into your arm movement without your head leaving the ground.
Oblivion: that wasn't hilarious
Oblivion: it was brilliantly complex though
Oblivion: hands down man
Oblivion: today I genuinely believe more than I ever did before
Oblivion: that you are better than me
Oblivion: gg NutHug