Processing for judging whether a face is included in a frame is performed, in a predetermined interval, on each of frames included in a moving image of a subject, displayed on a monitor, until the judgment becomes positive. The locking arm and the leaf spring cooperate to engage the hair to secure the barrette in the user’s hair. Plates extend through the slots, and are displaced radially between retracted and extended positions. The cache memory means is adapted for performing a cache replacement based on reduced logic level changes of the interconnect means as introduced by a data transfer between the memory means and the cache memory means.