: Judson debuted the "clasp locker" at the Chicago World's Fair. It was complex and frequently jammed.
: One side of the fabric forms a flap that completely covers the zipper teeth and slider. : Judson debuted the "clasp locker" at the
: A decorative and secure way to insert zippers into heavy items like tote bags or pillows using parallel topstitching. : Judson debuted the "clasp locker" at the
: The name wasn't actually invented by the creators. B.F. Goodrich coined the term "zipper" because of the "zip" sound the slider made on their new rubber boots. : Judson debuted the "clasp locker" at the