Complex sentence: For example, at St. Remy, the goliards went to mass in procession each trailing a herring on a string along the ground, the game being to step on the herring in front and keep your own herring from being trod upon.
Split into simpler sentences: For example, at St. Remy, the goliards went to mass in procession, with each trailing a herring on a string along the ground. The game was to step on the herring in front and keep your own herring from being trod upon.