Described herein is locking apparatus, method for making a locking apparatus, and method for mounting a locking apparatus to the door of a personal storage container. This ultrasonic NDE system includes an articulated robot, an ultrasound inspection head, a processing module, and a control module. V1 is determined using color signals of pixels offset in the right and left directions to an objective pixel. The assembly of the brackets and clamping plate surround the tow hook, which the mounting flange attaches to the accessory equipment.