Sheets fed out of a cassette supporting the sheets by a pickup roller are separated and fed by a sheet separation feeding unit having a feed roller and a separating roller which is rotatable in a direction opposite to a sheet feeding direction. The vent holes formed in the outer peripheral edge of the shoe sole can be conveniently open and closed, thus the outer shape of a typical sole can be maintained when worn, or ventilation can be achieved so as to remove moisture from the shoe and eliminate athlete’s foot or foot odor. The cable means comprises a number of lines therein. A light-transmitting top panel and top shelf can be used to provide improved light within the cabinet.