An attachment mount and receiver system for attaching articles to a garment. The compound of the present invention has an HIV integrase inhibitory activity, and is useful as an anti-HIV agent, or as an agent for the prophylaxis or treatment of AIDS. The loops are preferably comprised of elastic material. Other information may also be included in the watermark. When the input signal voltage meets or exceeds one of the relevant threshold voltages, the conditioning circuit components rapidly and sharply switch into the signal pathway, and the input signal is clipped appropriately. The touches on the back touch sensor map keys on a virtual keyboard, a pointer input, and so forth.