Over the years I've become a big fan of shooting slings. I used the Ching sling for a while, but switched to the Latigo because of its adjustability when used as a carry sling.
From the photos it's not clear the difference between the military/latigo/ching slings and the hasty sling. Notice in the hasty sling the entire sling is under tension, resulting in tension on the butt stock. Experts will say this butt stock tension will cause problems with accuracy. With the latino/ching set up the loop isolates the tension to the forearm only, the sling section between the loop and the butt is slack.
