Amethyst Cho Ku Rei Reiki Symbol Engraved Heart shape pendant For men And Women :- about the cho ko rei symbol engraved :- it is believed that cho ku rei (choh-koo-rei) meaning: “god and man coming together” or “i have the key”. the primary use of this symbol is to increase reiki power. it draws energy from around you and it focuses it where you want to. make the sign over the client (or yourself) and say (silently) the words cho ku rei 3 times. it is the all-purpose symbol. it can be used for anything, anywhere;