A flex neck screw driver!!
http://www.amazon.com/ARTESIA-TOOL-F.../dp/B001CWHU94 This is not the exact set up i use but It's one i have that is similar. I have one that can attach to an electric drill. Ya know, for that extra UmPh! lol I also have a green screwdriver i found some where a long time a go that actually fits almost all of my machines.