Thinking About Fall Protection Chapter 9 of 11. Revisiting the ABCD’s of fall protection, this section includes an in depth review of each of the typical personal fall arrest system components; anchor, body support, connector and descent/rescue. This is part of a video series that will give you a fundamental awareness of fall protection, and what you absolutely need to think about before working safely at height. Learn more at www.3M.com/FallProtection.