Why are you not supposed to let them hang like that? I've used a flirt pole for years and they get airborne the whole idea is exercise. They really want the hide/toy or whatever, you can't keep them on the ground and they are a gripping breed when they get it they might hang. It's not her dog so she can't control what chain size the dog has either, the post is about being conditioned vs skinny and how people confuse the two. It's not about proper chain set ups.