Made of plastic tool with adjustable tension control ensures the stability of the zip without damaging sensitive materials during installation This sewing zip clamp is used to securely hold zips while sewing. It prevents slipping and improves sewing for seamless fabric alignment The non-slip grip surfaces and portable constructions simplify longer sewing jobs and transform sophisticated zipper installations into smooth handicrafts Aimed at both enthusiasts and professionals and allows craftsmen at all levels to attach zips to garments and accessories Portable design is ideal for putting together dresses, handbags or pillowcases and ensures the positioning of the zips on thick jeans and multi-layer fabrics