Driver ball flight

[pavespawn]

I have a question about the flight of my ball when I hit my driver (sometimes). There are times that it seems my ball sometimes wobbles in flight as it is reaching the apex. It doesn't look like an out of round ball. Is this a sign of low spin? I don't hit it far (about 240ish).

[Tugglife2]

When this is happening do you sort of lose your grip of the club at and after impact? Sometimes if my hands are really sweaty I'll lose my grip a little and the club will slide a bit in my grip resulting in a knuckle ball type flight.

[pavespawn]

Not that I can recall. It will happen fairly often if I feel like I am swinging well. It never happens until It is reaching the top of the trajectory.