Authentic steel boned underbust corsets Page 2 Corsettery Authentic Green Velvet Steel Boned Underbust Corset with Buckles Burlesque Clothing Green Steel Boned Underbust Corset Velvet Underbust Corset Women Buckle Steel Boned Corset Abbigliamento. This is a dark green velvet underbust corset with four front buckles, steel rivet trim, and a curved top edge that sits just below the chest. You lace into this and the room shifts. Ten spiral steel bones and five steel busk closures hold you locked in all night, no rolling, no slipping, no readjusting mid set. The kind of piece you plan a night around.