I'm toying with ordering a new container in the near future and am weighing up getting chest rings (full articulation ) in the harness. I got them in my last container as it was an option that was available, rather than for a specific reason. This time I'm wanting to base my choice on knowledge. I gather under canopy, loosening the chest strap a lot removes any difference the chest rings make compared to not having them. In freefall the chest rings allow for a tighter fitting