It has elements of both a curb bit and a snaffle bit. HH Azur is shown in a twisted snaffle bit. The bit used is a snaffle bit. In 1992, he was inducted into the National Snaffle Bit Association Hall of Fame. Either a curb or snaffle bit may be used. Younger horses, three-year-olds, can compete with a snaffle bit. In general, competitors in this grade use a snaffle bit. A snaffle bit is the most common type of bit used while riding horses. In general, competitors in this grade use a snaffle bit or double bridle. A bradoon is a snaffle bit designed specifically for use in the double bridle. In general, competitors in this grade use a snaffle bit or a double bridle.