Well I will admit to having quite a few scattered about, but no I do not carry all of them at once.
I do have one in my vest and one in each vehicle, one in my camera backpack, and one.....
well you get the idea <img src="/images/graemlins/smile.gif" alt="" />
I do think they are about the best case around....but am a bit hesitant to toot that horn as I do help the maker, Keith Lunders, retail them.
I fully believe in the Chris K philosophy that matches should always be part of a kit for their familiarity alone....your skills with alternative methods are great but mean nothing while you are incapacitated.