Can copper coins and bullet casings ward off evil spirits?

No, copper coins and bullets themselves can't ward off evil spirits. Generally, feng shui masters use attributes to regulate feng shui. If you really want to use it to ward off evil spirits, you must hire a master with real kung fu and great energy, such as a Zen master or a mage or a yogi, to make it a high-energy object. This is a tool to ward off evil spirits. In addition, you can also hold the Buddha's name or mantra for a long time to bless this thing, but at this time, your own energy is far greater than the energy of the object. Often chanting Buddha can ward off evil spirits without foreign objects. Decorate it