An electronic device carrying system (100) includes a belt clip component (104) and a swivel base component (108) coupled to each other using a swivel member (110). The swivel member (110) allows for both ends to swivel or rotate freely, allowing the electronic device being carried by the carrying system...http://www.google.com.hk/patents/US20050092791?utm_source=gb-gplus-share專利 US20050092791 - Carrying system