"straight quad" . "Lwt quad scull" . "quadruple scull" . "Lightweight quad scull" . "LM4x" . "4x" . "Lightweight quadruple sculls" . . "Lightweight quad sculls" . "Quadruple Sculls" . . "quad scull" . . "Quadruple scull" . "lightweight quad scull" . "Quad scull" . "lightweight quadruple sculls" . "Quad" . "Quadruple sculls" . "quadruple sculls" . "quad" . "Quad scull" . "quadruple skulls" . . "Men's Quad Scull" . . "quads" . "M4X" . . "W4x" . "M4x" . . . . . . . "Quad Sculls" .