What should I do if I accidentally lost the button? Easy Use?Easy clip snap tack metal button .No sewing is required to attach to your garment , Extend or Reduce an Inch to Any Pants Waist in Seconds. No sewing, Resuable, Removable, Tool free, Easy to use, Firm adjuster, Beautiful and generous. High quality materials? Made of high-quality metal, sturdy and durable, will not bend or break under finger pressure, and is extremely textured. Card Slot Design: Unique card slot design, can not fall off when stuck, and it will be as tight as the card for a long time. Widely used: 8 Jeans button for shirts, jeans, suspenders, jackets, bags, leather craft and other heavy weight fabrics