I can fully understand how someone could be overwhelmed by the shear number of bits you can find hanging on tack store walls. What are they all for and how do they work?
Just like the various materials bits are made of, horse bits come in many different types of bit mouthpieces styles. All have slightly different effects on the horse, although not all horses are affected in quite the same way. Over the years, several types of bit mouthpieces have remained popular. Here are descriptions of the most common types you may see when choosing a bit for your horse.
Image: 2005 K. Blocksdorf
There's Lots More to Learn About Bits: