I now don't EDC the fully serrated first-response knife anymore, but I carried it mostly when working as a trainee wth fire-departements, E.M.S., etc.
It's a good knife for punching in windows and cutting seatbelts (and even a soft-top roof blush), but not really for everyday use.

It was just on my belt when I took the photo whistle
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''It's time for Plan B...'' ''We have a Plan B?'' ''No, but it's time for one.'' -Stargate SG-1