As soon as I saw that pic of HF I knew there would be some jizz over the collar roll.
This is a concept which is entirely lost on me. I just don't get it - what makes having a collar roll like that so attractive? I don't even own any button down shirts so its more out of curiosity than desire to emulate.
I never understood it either, until I bought a Kamakura OCBD. Give it a try and see for yourself.
I like how collar roll looks with a tie, it gives an outfit a slightly more casual and relaxed look: