Those that cannot see counter clockwise, point your eyes to the top right of your monitor screen and use your peripheral vision to watch the spinning chick.
Works for me.
Otherwise, looking directly at her, all I can see is clockwise.
Nothing but clockwise.
Clockwise forever.
Tick
tock
tick
tock.
EDIT: Holy crap, I'm stuck seeing counter clockwise.
Someone get the holy water.