Hat Hook for attaching items to hats/headgear

Alarm monitoring systems; Alarm sensors; Batteries, electric; Camcorders; Electric door bells; Electric door chimes; Electrical and electronic burglar alarms; Electrical plugs and sockets; Electronic door alarms; Radar apparatus; Receivers of electronic signals; Remote video monitoring system consisting primarily of a camera and video monitor for recording and transmitting images to a remote location; Solar batteries; Theft alarms; Transmitters of electronic signals