The list author says: "By no means do I know what I'm doing, keep that in mind before buying everything on this list. This is the kit I have for taking pictures, most of which I carry with me. I'm happy with it, even though it tends to be on the low end of the price scale."
"I have two of these because the local camera shop didn't sell many other Op-tech components and I wanted an additional loop for my second camera. I keep the strap on my wrist and attach/detach cameras from it as needed."