Quote Originally Posted by kiltedwolfman View Post
I would think the difference in sash placement should be due to the arms being carried. It's hard to do rifle drill with a big shash knot in the way, so you place it on the opposite side. The same goes for the men carrying sabres.
I think that this "difference" is simply that officers wear their sashes over the left shoulder and SNCOs wear theirs over the right shoulder because that is what the dress regulations say. As for the original reason behind this, who knows?