With Zen Brush. Undecided if it's worth buying seeing as there is no pressure sensitivity... but hey here's a Japanese person having at it 


If I drink just one coffee the very tip of my fingers is like 0.1 % moist, like you wouldn't even notice it if I shake your hands, but it's enough to screw all dragging gestures on the iPad's glass surface. Very annoying. Hopefully I'll find some sort of screen protector that has a different friction.