If your horse shakes his head and resists the bit, have you considered using a bitless bridle? Click here.If you need a softer bit that is gentler on the horse, try a Roller bit or French link bit.If you need more steering, try a Tom Thumb snaffle or full cheek bit Click here.
If you need more brakes, try a Pelham or gag bit.Some simple bit solutions that you can try: