Forgive my ignorance lads, but I've come across a thread on the American AGF talking of the use of slings in their International Class FT for other than carrying the rifle.
Are there specific rules that prohibit this practice? I know I use to wrap the sling round my left arm when taking standers with my TX, but they seem to have taken it to a new level;

http://i214.photobucket.com/albums/c...Sling-shot.jpg

Note that I'm not talking about the harness but the sling that appears to be attached at one point only, so must only be of use as a shooting aid rather than a method of carrying.

Many Thanks

Greg