Whitcomb L. Judson He ultimately never saw much success in the "clasp-locker" as a fashion item during his lifetime. Judson made a "C-curity" clasp-locker fastener in 1905 which was an improved version of his previous patents. It tended to break open unexpectedly like the predecessors. Clothing manufacturers showed little interest in Judson's fastener perhaps because of this reason. An improved version of 1896 came with Judson made his invention to save people the trouble of buttoning and unbuttoning their shoes every day as shows in his wording in the patent application. He describes this in his patent U.S.P. 557,207 In 1913 the zipper
Frog (fastening) stitched onto a garment, usually by hand. When a fabric tube is used, the fabric is cut on bias. This allows the fabric tube to remain smooth and flex easily when bent into curves. Frog (fastening) A frog fastener (also Chinese frog) is an ornamental braiding, consisting of a button and a loop, for fastening the front of a garment. The purpose of frog fasteners is to provide a decorative closure for a garment; frog fasteners are usual to garments of Asian design, such as a shirt or coat with a mandarin collar, which features frog fasteners at the shoulder