Always have carried one of one kind or another. Recently misplaced my Kershaw assisted opening with a straight blade (I, too,prefer them mainly because they are much, much easier to sharpen). Since I misplaced that I am down to two pocket knives.
My first carry knife was a Schrade 3" lockback that I found on my way home from school in the 6th grade. It hada broken tip, my mom sent it in and they sent me back a new one with a new belt holster for it to boot! Still have the knife but the holster has gone missing. Carried it on my belt in school all the time.