This video is an example of what can go wrong. This is the sort of thing that we are trying to guard against when we do risk assessments. Also it should remind us to always have our gear checked at regular intervals. Check all of you rigging gear at regular intervals. Double check all fasteners, bolts etc before it goes up in the air or is used as a structural support. Duty of care is the guiding light of occupational health and safety. So know what you are doing, know the regulations, look out for your fellow workers and always double check your work.