A nonaqueous electrolyte secondary battery of the present invention includes a nonaqueous electrolyte and a positive electrode 13 that occludes lithium ions reversibly. The beamshaping optical stack is to be optically coupled to a light emitting surface of a light emitter. Clips are provided in the ends of the sleeves and at the waistband of the articles, enabling the sleeves to be connected to the waistband to form shoulder straps. The overpressure protection device is positioned upstream of the swivel, to prevent overpressure of the production swivel and downstream components located on the floating vessel. A method for providing a dynamic virtual shopping area in accordance with an embodiment of the present invention includes: capturing user preferences; and dynamically customizing a virtual shopping area for an avatar based on the user preferences, such that the avatar is presented with items the avatar is more likely to purchase upon entering the virtual shopping area. When applied to a washing machine, the damper is capable of perceiving accurate weight of the laundry supplied in the washing machine.