For the more classically minded, one could be sewn onto the pocket of a blazer. You do know about blazers? Worn with dress trousers and a long-sleeved shirt, even a tie. And or course, there could be a HEMA tie. And a HEMA belt buckle, which might get worn with more stuff than anything. But the ultimate piece of bling would be a HEMA ring!
OK, the tie not so much, since even I can't remember the last time I wore one. BUT I do think the buckle has potential. Either a flat plate with a hook or the two-piece with the center section inserted into a outer ring like the 19th century military sword belts. And, of course, a buckle could be used with a number of sword belt styles. The ring, though, could be the one thing a member never took off, even when he or she had taken off everything else. (Oooooh darling, what a big ring you have!)