electric hair cutters; bags and cases specially adapted for holding or carrying hair cutting scissors, shears, and electric shavers; parts specially adapted for electric hair cutters and that extend the reach of the electric hair cutters, namely, elongated handles and slings, in the form of a strap or straps that mount the electric hair cutter and allow the user to grip the ends of the strap or straps to move the electric hair cutter and cut hair over the body