...although, I suggest he fly on shorter lines (you know, to really see
what the kite is doing) and maybe try it with his arms farther apart, like a condor spreading its wings. Also, definitely move about twenty feet closer to the edge of the cliff. I hear there's better wind at the very edge of cliffs. Updrafts and such.
That all-black sail really *pops* against the ocean, too. Extra point for the assistant dressed like a librarian.