Glad that I was able to help you out . There are a couple of threads in the horse tack/equipment section that detail the different types of snaffles and shanked bits, what are the mildest, what works, what doesn't, and whats practical.
Just to save you some searching, here are the links to those threads if you are interested in reading them.
Bit Information (Snaffle and English-Type Bits)
Bit Information (Curb and Western type bits and hackamores)