when you brush up on ball for kick serve,

[drgnpride]

do you brush up with the long strings or the cross strings? which strings should be parallel to the ground?

[YonexDude]

http://www.hi-techtennis.com/serve/develop_kicker.php

[rasajadad]

At impact I think my mains are at a 45 degree angle. But the mains do the brushing.