B&H sent me this email today. I think it is informative for people who are new to audio like myself and have never seen what the different protection looks like.
http://www.bhphotovideo.com/bnh/con..._July07.jsp&bi/1293&kw/ART-ShotgunMicrophones
http://www.bhphotovideo.com/bnh/con..._July07.jsp&bi/1293&kw/ART-ShotgunMicrophones