Adapter plugs; Adapter rings for attaching objectives on cameras; Alarm installations and alarms; Backpacks especially adapted for holding laptops and notebook computers; Blank USB flash drives; Boom boxes; Camera stability accessory, namely, a support arm, vest and sled for film and video cameras to absorb shaking moves while shooting; Cases for music, audio and related electronic equipment, namely, cases for audio tuners, audio receivers, amplifiers, tape players, compact disc players, MP3 ...