Complex sentence: Specialty sidesaddle classes with either traditional equipment or period costume are popular at many horse shows, and another common place to see a sidesaddle is the hunt field, where the tradition is carried out by various sidesaddle devotees.
Split into simpler sentences: Specialty sidesaddle classes with either traditional equipment or period costume are popular at many horse shows. Another common place to see a sidesaddle is the hunt field, where the tradition is preserved by various sidesaddle devotees.