BE YOUR OWN DESIGNER: "Open Your Mind, And Be Yourself Designer." This is our original thought. It can be combined with other metal swivel lanyard snap hook buckles to make the DIY project. A necessary accessories for DIY keychain, and fashionable jewelry making, etc. PREMIUM MATERIAL: Made of zinc alloy. Metal material made them strong and durable to use. The structure is reasonable with 360 degree rotation for easy clip. These would be great to simply make keyrings with or using these for a leash-to-collar connection. Multi-purpose. WIDELY APPLICATION: Has many practical uses for clinics, hospitals, schools, offices and home use. Perfect for hanging photos, drapes, toy gifts, clothing bags accessories, pet, clothing tag and many other home uses! Perfect for zipper pulls, and handbag purse straps. Fit for making dog collars, luggage straps, and backpacks clasp. BEST GIFT FOR SOMEONE WHO YOU LOVE: Great kits for DIY your special & unique handcrafts gift for someone, when they see it, it would remind them to remember you. Such as sew lanyards for friend gifts! Made a bunch and attached gift cards. Necklaces, bracelets, anklets, keychain,etc.