Jabbing the butt of a Kubotan into an assailant 's pectoral area is a painful shock .
Jabbing the butt of a Kubotan into an assailant 's pectoral area can allow one the advantage of stunning and running .
Jabbing the butt of a Kubotan into an assailant 's pectoral area is a painful shock and can allow one the advantage of stunning and running .