A device for hanging one or more cords, such as cables or ropes used to hang banners or electrical wires used to hang strings of decorative lights, includes an elongate housing, an interior member which is slidably disposed within the housing, and biasing means, such as a coil spring. It exhibits uniform upright growth with abundant flowers. Alternative mappings such a linear correspondence between analog input values and digital output values can be implemented via digital processing of each recorded count. The dummy speaker may only have a driving unit and no crossover logic. The depression keyway is designed so as to minimize the effect of the axial load on the insert by avoiding sharp corners which tend to amplify nominal stress and provides an insert of a proper carbide density after pressing. A radius from a center line of the cylinder to a part of the actuator farthest from the center line is shorter than a radius from the center line to a part of the motor farthest from the center line.