I think with 2 strong loops this would stay on a tunic forever, or until the loops broke. I am pretty sure this is for a tunic with loops. I dont think there is any special REASON for these crosses being different, other than the fact that the germans have a technology fetish and the makier was reckoning with guys saying "Hey man, thats freaking COOL!!!!!!" even back then. Time has shown we always come back to the needle and hook system, but back at KMST there was a man trying to revolutionise, and at some stage patent a new idea that he hoped to make money off if they ever became the standard way of attaching a badge.......