♥ Peace ♥ Longevity ♥ Protection ♥ Health ♥ About Peace Lock Protection: The Peace Lock is regarded as a kind of amulet, and its main purpose is to protect the wearer from evil and misfortune, and to protect from disease and accidental injury. It symbolizes “locking” security and protection into the wearer. Praying for peace: Wearing a safety lock is a prayer for peace and health. The safe lock is not only beautiful in decoration, but also has the meaning of blessing, implying happiness and good luck.