Vktech Elastic Shoe Lace Shoelace Buckle Stopper Rope Clamp Paracord Cord Locks (10pcs, B) This cord lock can be used for clothing and backpacks to tighten the rope, paracord, shoelaces, buckle beam, also can be used as decoration. Easy used Dual 4mm holes for cord High Quality Suitable for many uses Material: POM Elastic Shoe Lace Shoelace Buckle Stopper Rope Clamp Paracord Cord Locks