Abstract: A tassel for blind cords comprising at least two independent parts associated to the ends of the operating cords of blinds and some means to retain the these separate pieces in an assembled position thereby forming a tassel to operate blind cords, which also split apart when force is applied to the cords associated with the parts. The invention consists of means to retain the independent parts that form the tassel, is made of a retention elastic piece that embraces the outside surface of the independent parts and tends to keep them grouped together in an assembled position.