Neville sighed, looking like he'd really rather not talk. He spoke anyway, "Well I was looking for a book to help with my Transfiguration essay I had for homework, and Ron had tagged along —which was odd, but the twins had been on his back for weeks, so I guess it wasn’t that strange. And then he asked if he could practise the leg-locker curse on me because he really wanted to use it on Malfoy —"