24 / | HD | BUCKLES, BUTTONS, CLASPS, ETC. |
572 | DF | SEPARABLE-FASTENER OR REQUIRED COMPONENT THEREOF {5} |
575 | DF | .~ Each mating member having similarly shaped, sized, and operated interlocking face {4} |
579.1 | .~.~ Single piece hook-shaped member (e.g., mating garment hooks) |