Punch Snack in Seoul is a hamburger shop that specializes in chicken burgers. Its burgers center on red mayo and the Papa Soy burger, with thick, soft boneless chicken patties and tartar sauce. Customers order at a kiosk at the entrance, then pick up their food when their number is called, and drinks are self-serve with free refills. The fries are soggy and the basic seasoning is on the salty side.