"Sure they do," Duke said. He rubbed his hands together, then dropped into a handstand of his own. After a moment to make sure of his balance, he shifted his weight onto one hand and stretched the other out to the side, his opposite leg opening out as counterbalance.

He managed to hold it for a whole three seconds before dropping his feet back to the ground in a (mostly) controlled fall.

"Seen people do that on the ends of four-by-fours, so I'm guessing they can probably handle a balance board, too."