"Three important things to remember when Apperatin arethe three Ds!" said Twycross. "Destination, Determination, Deliberation!"
"Step one: fix your mind firmly upon the desired destination," sadi Twycross. "In this case, the interior of your hoop. Kindly concentrate on that destinaion now"
Everybody looked around furtively, to check that everyone else was staring into their hoop, then hastily did as they were told. Harry gazed at the circular patch of dusty floor enclose by his hoop and tried to think hard of nothing else. This proved impossible, as he couldn't stop puzzling over what Malfoy was doing that needed lookouts
"Step two, " said Twycross "focus your determination to occupy te visualised space! Let your yearning to enter it flow to every particle of your body!"
Harry glanced around surreptitiously. A little way to his left, Ernie Macmillan was contemplating his hoop so hard that his face had turned pink; it looked as though he was straining to lay a Quaffle-sized egg. Harry bit back a laugh and hastily returned his gaze to his own hoop.
"Step three," called Twycross "and only when I give the command ... turn on the spot feeling yoiur way into nothingness moving with deliberation! On my command now ... one -"
Harry glanced around again; lots of people were looking positively alarmed at being asked to Apparate so quickly.
Harry tried to fix his thoughts on his hoop again. He had already forgotten what the thee Ds stood for.
Harry spun on the spot, lost his balance and nearly fell over