Some QFIs are brilliantly subtle in their methods. At Linton on the JP, circuits were left handed, except for one day a week, when for variety, right hand circuits were flown. On my course, I was blundering my way through a left PFL pattern with my long-suffering QFI, totally engrossed in the litany of checks, when I felt him writing something on my kneeboard. I glanced nervously at it to see one word: "Wednesday".