[DanEC]

Some of the Corvette guys argue about this from time to time (which direction is best to have the knockoffs tighten). The knockoff secures the wheel through clamping force (tension) which along with friction also secures the knockoff. As long as the knockoff is tight - it doesn't matter. But - if it looses it's tension (clamping force) and becomes loose - then the matter of rotation might make a difference. Maybe not much - I wouldn't be too happy if it spins off under acceleration, or under braking - either one.