BarrelRacer, you seem to know something about this bit in particular. If I understand you, this bit is mostly acting as a hackamore, so I can expect the horse to react to a big increase in mouth pressure from a snaffle or other bit. He probably won't care much for a snaffle bit or a shank bit at first. Do you have any advice as to how to proceed to transition him? Or what you'd use? I'm in no hurry, and I'm not opposed to using this bit for trail riding if this is what he prefers. But for ring stuff, going to have to use something different.
As far as the horse goes, very responsive and sensitive to aids. I barely had to use any pressure to stop. But I wasn't sure if that was because this is a harsh bit or if he's just got a good "whoa." From what you're telling me this isn't all that harsh.