Ace Don is a meat restaurant in Gwol-dong, Osan, grilling domestic samgyeopsal over charcoal. It also grills saeng galbisal and pork jowl on a binchotan charcoal grate, adding a charcoal aroma. It is open 24 hours, and diners stir-fry bean sprouts and kimchi in a small pan and choose from salt to buldak sauce. Customers must grill the meat themselves.