Ah, the Retail Security Operators of America, watching over us shoppers, their charges, like gods!
What lessons can we learn from this, other than it might not be a good idea to go heeled in public while on prescription painkillers?
When the store manager comes up and so much as asks "Is that a gun?" respond politely that yes, it is, and yes, you are licensed to carry it and, should even the faintest hint of concern flicker across their face in response to this, apologize and leave. Leave right then.
Do not sermonize. Do not give them the text of the 2nd Amendment, several choice Ted Nugent quotes, and two stanzas of Lee Greenwood, all in a red-faced and agitated tone, because while you're doing that, the pimply cop wannabe is going to be on the phone with the real cops, telling them that there's an "agitated man with a gun" in the store, and that's just not going to end well.
I know that I don't want the last words I ever hear on this planet to be:
14:16 (Unidentified Officer’s Voice(s) in Background): “Put your hands where I see them now, drop it, get on the ground, get on the ground...”