Ms. Petra who is the girl with the pink suit and dark hair ? Love those tits - wanna see em jiggle as she dawgie fucked. THAT will be some yank material.
It also depends on what you art actually asking. When at the computer I'll stimulate with my left, but when it's time for action I go to my right or both.
If watching a dvd, I'll just lie there with my pants down and switch between the two...