they seem to be incapable of just closing their eyes to it, let alone pressing a button.
Maybe a safe-word, such as "Yeeeeeeeek! Arrrrgh! Eeeeeek!"
(, Mon 23 May 2016, 15:24, Reply)
but I was thinking of it more for the person not wearing blinkers, who seems already to have a supervisory job.
(, Tue 24 May 2016, 4:06, Reply)