Those codes are more historical, dating back to times when it wasn’t possible to be open about your sexuality. Its mostly backstory now, but there is still a connection and association between caibiners and lesbians to this day.

But you’re fine wearing them. They’re used by climbers, thery’re also useful for hanging or carrying things, and their a nice accessory. They can mean many things, or be without meaning. Don’t change your style on the off chance a few lesbians may briefly misidentify you.