I kept the bar end weights and screwed the mirrors on the outside of them. Time will tell if this poses a problem with staying tight. It seems good now.
I have the weights on mine, not a problem. I do use a bit of blue there, though.
I had the arms cranked in like you do. My hands got claustrophobic. I had to move the arms back up in the vertical position, although I did rotate the mirrors inward.
I got mine off Ebay, but be sure to look for Barons, there are other "Napoleans" out there that are inferior.
Bare