If you could only carry ONE or the other for urban/suburban EDC, which would you carry and why?  For the sake of this discussion lets assume that you do not have a job or other daily activity which specifically requires either one and that their are no laws prohibitting either one within a resonable size (say under 5" blade).  This is strictly from an EDC survival prospective and no you can't carry both! <img src="/images/graemlins/smile.gif" alt="" />
Thanks in advance for the knowledgable opinions and acompanying explanations.  
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