That refresh tip is where it's at. I posted a YouTube link the other day that shows a perfect example of it.
Even got. BG for ROTR.
Side note DCA today is a madhouse today. To bad I was stuck in AC because I wanted an adult beverage, have a shawarma sandwich (available at 11am) and see the stunt shows. Didn't all but wasn't out of AC until 1145. By then all attractions including the AC entry stand by was super long.