According to the invention, there is provided a novel soybean variety designated XB38AA09. Some mechanical components in a device, for example, in a microelectromechanical device andor in an interferometric modulator are particularly susceptible to damage. A retaining pin portion at the control tip, extends between at least two of the second set of wires, allows the second set of wires to be extended from the tube and through the control tip, and prevents the second set of wires from being withdrawn from the control tip and into the tube.