" Red Corn Cob " likely refers to the selling of corn cobs, specifically those that are red in color. Corn cobs have various uses, such as animal feed, biomass fuel, and even as a substrate for growing mushrooms. The phrase might imply a business or activity focused on selling red-colored corn cobs, which could be used for decorative purposes, crafts, or perhaps as a unique addition to animal feed or biomass products. Without further context, it's challenging to provide a more specific interpretation.