You can take out some of the bulk by making a diagonal cut across the corner beyond where the fold is. I know clear as mud. I will try to find a diagram that show what I am talking about.
This is the first one that I found. It shows where you make your cut before folding and turning your backing
http://www.ludlowquiltandsew.co.uk/Q...f_binding.html
Good Luck :thumbup: