OK, for 99% of us, just the spray works fine.

And the same goes for you about saying something is necessary, when you had a special condition that MOST don't have.

98.5 SVT 91 Escort GT (almost sold) 96 ATX Zetec (i brake to watch you swerve) FS: SVT rear sway bar WTB: Very cheap beater CEG Dragon Run - October 13-15