Fairly sure boxes don't get sticky just from gapers hitting them 50-50.
At my local park I find that some rails and boxes just happen to be stickier some days, and quick on others.
"Uh-huh! Ain't Saturday today. Don't matter to me! Got no job..."
"That wasn't flying! That was falling with style."
"Better not get in my face.. I'll drop that motherfucker."
"I don't know how anyone can take skiing seriously and not be able to ski powder or a steep mogul run well. Or carve GS turns on steep icy trails. Its like being able to wipe your ass." -TahoeRondo