I've always driven manual transmission and still think that. I often find myself steering with one hand through corners to shift up in time. And I could observe

I've always driven manual transmission and still think that. I often find myself steering with one hand through corners to shift up in time. And I could observe the same with others. Of course it doesn't feel dangerous if you always do it that way. But that doesn't mean that it isn't. But as there are probably no studies for that it's just speculation.