It's been a while since I flew in a seat with the Hawk-style scissor shackle, and would appreciate a reminder from someone with more recent experience. I have vague recollections of wiggling the drogue shackle during the seat checks, expecting to find a little movement. Would this have been aimed at discovering the fault that appears to have killed Sean? In recent years I've heard people discouraging the practice of touching seat components during the checks, but to my mind the shackle and the top latch (incorrectly engaged in Wolfy Harland's accident) were two parts that could best be checked by feel. What is the current advice and practice?