"Well....you'll get the hang of it eventually," Ian said, frowning at the students who were verbally flailing. "Moving on, I think I should tell you what happens before I teach you the movement." Ian pulled out his wand and karate-chopped the air. What he said was muffled by the buzzing sound that started.

"You should know that once you do the charm, your wand will start to vibrate a little and it will sort of turn into a buzzing razor type of thing."

He gently cut off a dead leaf from his flutterby plant and smiled. "See? Simple. Now, as for the arm motion, as I'm sure you saw, it's a karate chop. Just...CHOP!" He accented this point by chopping at the air like the negotiator he was.