A clip that is able to form a separate space in the hollow member such as flexible tube or bag-like article and the like or to block its opening part by clipping hollow member. The vertical columns are arranged in pairs with one of the pair of vertical columns disposed a distance outward from the second of the pair. The system may also include a set of instructions stored in the memory, the set of instructions executable by the processor to determine whether the biometric information represents a normal identification or a duress identification; if the biometric information represents a duress identification, the system may initiate an emergency response, such as triggering a silent alarm. Further, a method of forming the music database for the electronic device is also disclosed. When the information processing apparatus is used, a work state at a power-off time can be independently preserved and reproduced for each user.