Clamp on bull horns help with the hand positioning, and even a little with wind resistance as you stretch further out if they are angled outward.

I replaced my flat bar handlebars on my Giant FCR with some stoker bars. Getting the brifters on was a feat, but it was very functional.

YOu can see it hanging upside down in this pic (the red Giant):



That kept me happy for a good while. I ended up buying a drop bar road bike after about a year.