Using this 14k yellow gold cable chain necklace is easy. Just open the lobster lock and add your favorite charm or pendant. Then close the lock to secure it. When wearing, make sure the lock is well - fastened to prevent it from opening accidentally. To keep your necklace looking its best, avoid wearing it when doing strenuous activities like sports. Also, keep it away from chemicals such as perfume, lotion, and cleaning agents. You can clean it gently with a soft, dry cloth regularly. When not in use, store it in a jewelry box or a soft pouch to prevent scratches.