Clothing for the upper half of a body is provided, which makes it possible to reduce distortions of the body and alleviate fatigue by simply wearing the clothing and leading a usual life. The reflector defines a lamp cavity where a light source is positioned. The input device may be configured to detect the rubbing between a specific digit in a pen-like function against one or more other digits. In addition, the system includes internal error handling hardware configured to log and process internal errors generated by one or more of the main processors.