Could it be a Pulling Collar? They attach thru the opening in the swelll. Keeps the straps off the shoulder where a regular breast collar sits.
Only a guess without seeing what you are looking at.
If you ever find yourself in a fair fight, it's because your tactics suck. ~ Marine 1SGT J. Reifinger
Last edited by Dustbunny; 04-25-2013 at 11:49 AM.