No Chinook pilots here? Nothing quite like the look on the students face when you first demo the cyclic position set-up prior to 2-wheel taxying. The analogy of the collective as a hand-brake also used to take some folk a while to get used to - they'd forget the teaching and a part of their mind would rebel against increasing power/lift to stop.
Mind you, after about 20 minutes most studes had mastered the art of the reverse 2-wheel taxy 90-degree turn into a parking slot.