Japanese A4 Waygu Chuck Short Rib Yakiniku (Frozen, 150g)Chuck Short Rib refers to the upper third portion of meat surrounding the ribs, typically trimmed from the 1st to 6th rib, forming a triangular shapehence the name. It features clear, web like marbling and a tender texture, making it one of the finest cuts among beef belly or rib selections. Only two triangle cuts can be obtained from a single cow, making it exceptionally rare and prized.