A slider is incorporated in a connector. The top layer has a top surface with a visible decorative pattern and a bottom surface adhered to a top surface of the bottom layer such that the bottom layer is offset from the top layer in a direction of length and width and a marginal end portion of the top surface of the bottom layer and a marginal end portion of the bottom surface of the top layer is exposed. A piston included in a cylinder actuator moves the valve stem axially. An axle is mounted within the opening.