A unique system comprises a tongue of a predetermined footwear, a lace, a lace-end fastener, and at least one lace-section fastener. The footwear has two opposite sides and a plurality of lace receivers disposed thereon. The footwear is laced with the lace to define opposite lace sections, each of which extends between two of the lace receivers on the same side. The tongue has at least one opening. The tongue comprises a plurality of layers. The lace is threaded through the at least one opening. The lace ends are fastened by the lace-end fastener. The lace ends are hidden inside the tongue. The at least one lace-section fastener is for at least one of the lace sections to be fastened thereon and for at least one of the lace sections to be unfastened therefrom, to fasten the footwear on and to unfasten the footwear from a foot, respectively.