Similarly, a then colleague of mine, when we were instructing on the Gazelle, pre-briefed his student (no names mentioned to protect the guilty) about the three stages to initiate the low level engine off demo (flown by the QHI, with the throttle moved by the student).
“Identify the throttle” (student to point to it),
“Out of the gate” (student to move the throttle out of the gate),
“3-2-1, Go!” (Student to retard the throttle on the word Go).
On running in toward the airfield at very low level, my colleague got as far as “Identify the throttle”....whereupon the student promptly retarded the throttle! They landed off airfield....