I searched but couldn't find what I was looking for. I was wondering a few things about tie bars: 1. Um, are they "in"? It seems I've been seeing more of them. 2. My ties are usually 3.25", so what length tie bar goes well with that? 3. How do you know how high up you are supposed to wear the tie bar? 4. I mostly see silver and gold colored. Any advice on when to wear which? Thanks for any help!