No, I don't do pictures, never have in the nearly two decades I've been on the site. Maybe somebody here can try this and if they like it, provide the forum with some pics.
Yes, it does seem weird at first.
I've been posting here about this technique for over a decade. Some here have overcome their disbelief and tried it. I was once told on this site that the Army MTU had been teaching it, but I can't confirm that.
Try it, then decide for yourself.
To clarify, the sling is simply attached fore and aft at the two usual points and left slack. The elbow goes under the forend, but atop the sling, which is then adjusted to support the elbow taking up nearly all of the upper body weight and contacting the ground lightly, so it doesn't swing about. The non-shooting hand guides the rifle butt as normal. The only difference between this position and the normal one is that the sling is trapped under the elbow.
By concentrating on the trace, good followthrough is assured.
Greg