Meeting Possible Chastity Pairs Outside the Club

Hello- Yesterday I spotted my pharmacist wearing a key necklace. We’ve known each other by first name for years, especially after some ‘interesting’ moments when filling prescriptions. The thought of asking “Lovely piece! Does it have special significance?” crossed my mind, but the queue kept moving, so I held back. (Should she have suggested it was tied to her husband’s heart, I had a ready reply: “It’s more widespread than you’d guess.” ) I plan to watch whether she sports this accessory regularly now. If she keeps it on constantly, does that strongly suggest she holds the lock? Has anyone else spotted people (men or women) carrying keys in public that hinted at having a partner who is ‘Locked and loaded’ back home? If yes, what’s the standard etiquette for interacting with fellow members of this loving enforced male chastity community? Cheers. -FD