Not much to talk about, they have plenty of ways to mount a sling. Slings are like most things, subjective. Magpul slings, blueforce etc are good. 3 point slings are gay.
Etc etc.
...then someone will come along and tell me the error of my way of why 3 point slings are awesome and I’m wrong, then some old dude is going to talk about how he remembers using his 2 point hasty sling back in ww2 or Vietnam, and someone else will have a cousins sisters boyfriend was in the army and swears by some company no one ever heard of.