MUK LUKS Quianna Lee Slipper Clogs Your new favorite slip-on clog, MUK LUKS Quianna Convertible Clog wraps you in cozy Muk Luxe lining while providing permanent, built-in, contoured support. With a classic MUK LUKS non-slip bottom and a convertible two-position strap, these clogs are designed to be as comfortable inside the home as they are for quick trips outside.