You will shoot sooner than expected. If you have more accurate, you at least want to rank for a long time already spent 0.2-0.3 seconds to aim at a precise header (rather than 1 second as the 0.X).
You will shoot faster than previously expected. If you precisely are you up on long ago. At least take 0.2-0.3 seconds to aim at a precise head (not one second 0.X).