Is wearing copper wire on the key chain to improve luck?

Yes, from the perspective of geomantic omen, wearing copper coins can ward off evil spirits and eliminate disasters, and can also be used as an ornament in the car, which can play a role in ensuring safety. At the same time, wearing it with you helps to increase wealth, which means that business is booming. At the same time, wearing them on the key chain can avoid unnecessary troubles in life.