Dog buckle belongs to luggage hardware accessories. According to the specific product categories, luggage hardware can be divided into pull rods, wheels, mushroom nails, impact nails, foot nails, hollow nails, sliders, corns, D-buckles, dog buckles, needle buckles, belt buckles, chains, coils, locks, magnetic buckles, various trademarks and decorative hardware. All kinds of hardware are divided according to their functions or shapes. In addition, all kinds of Han Wei hardware fittings also have many specifications. Dog buckles, also known as paparazzi buckles, hook buckles, lobster buckles and hook buckles, are mainly used at the end of luggage straps or lanyards, so that the straps can be easily fixed on D buckles or other round buckles. Common colors of metal dog buckles are copper, silver, gun black, gold and so on. The surface color is electroplating or electrophoresis.