A double hole + one buckle common point ground cord is a specialized grounding cord used in electrostatic discharge (ESD) control systems.It is designed to provide a common grounding point for multiple devices or individuals in an ESD protected area.When using a double hole + one buckle common point ground cord, it's important to follow the recommended ESD control practices and guidelines.This includes properly connecting the devices and individuals to the common grounding point, maintaining proper grounding integrity, and regularly inspecting and testing the grounding cord for any signs of wear or malfunction.How to use it?Extract product from the bag, fix up one end on the matThen fix up the other end on the other mat, or fix up it on the grounding system