What do Peter Pan, John Wayne and a Playboy bunny have in common? No idea? They (and their iconic collars) are all being channeled big time right now by pretty much everyone, including us. Whether it's the detachable kind that you can use to dress up anything, or the contrast kind that makes your new favourite item of clothing that extra bit special. Feature collars are all kinds of major right now, and we think this gallery will show you why!