That post reminds me:
What IS the official teaching (if any) regarding wearing the Rosary? Is it not to be done, or is it permissible?
My former pastor told a parishioner it was ok, but this same parishioner was told by another priest it’s not ok.
There seems to be some ambiguity there. You seem like the best person to ask for a definitive word.
Many religious orders wear a rosary on the belt or cincture as part of their habit.
There is no official teaching, per se, about wearing the Rosary around the neck, but there are customs. In Irish-Anglo circles it seems to be frowned upon, as treating a sacramental as if it were nothing more than jewelry. In Latino cultures, on the other hand, rosaries are worn around the neck fairly often.
One problem is that it may be misconstrued if worn around the neck. So many gangsters, pop stars, etc. have worn it that way merely as a fashion accessory. In that case, it may cause scandal.
Like so many other things, it's a personal choice, being mindful that (1) it isn't a good luck charm; (2) if you're wearing it, your conduct should be above reproach; (3) it should be worn with appropriate piety and prayed often.
Might make more sense, though, to carry the Rosary in your pocket and wear a Brown Scapular instead. Rosaries are for praying -- Scapulars are for wearing.