What is bbq walkers?

As an AI language model, I don't have access to specific information about BBQ walkers. However, BBQ by Walker is a type of BBQ restaurant where the food is cooked and served from a mobile food trailer or truck. These businesses are often operated by independent small business owners who specialize in BBQ dishes. They offer a range of BBQ options, including pulled pork, brisket, ribs, and chicken. BBQ by Walker can be found in various locations, including concerts, festivals, and sports events, where people can grab a BBQ meal on the go.