Earlier quoted context omitted.
.. if you're right handed.
Woah, you're so right: I live my dexter privilege without even thinking about it My apologies to any sinister folks out there. And this reminds me to take let-handed single-handed operation into account when designing mobile UIs. (Although you still have to pull the fountain pen -- I assume you're talking about the speed increase of writing continuously rather than printing each character).
(The third option is the Da Vinci one of mirroring your hand and the writing, but that's no use if you want other people to read it.)
So if your hand is to the left of the nib and the writing is going from left to right, I think that counts as "pushing"?