Don't get me started. During 3 weeks in Chewore I lost count of the times I found myself staring at the muzzles of a 470 double.
Finally the PH adopted a sling, ostensibly to please one of the trackers, who had witnessed the death of a tracker by AD some years earlier.
That said, it IS a comfortable way of changing carry position. Just make sure there's no one in front of you.
SOS