Chugwagon Crawfish Has Been Known for Slinging Crawfish. Since the food trailer decided to get a brick-and-mortar location they have been open year-round now and have been experimenting with different meal options. The Cajun eatery serves boiled crawfish when in season, Gulf shrimp oysters, Po’boys, USDA farm-raised catfish, and more. They have been getting creative with thier specials.