The delicate screw lock design is very practical. The screw-in mechanism closes the ring smoothly, making it easy to unscrew and put in the key. This keychain holds enough keys that you can hang on a belt backpack or handbag. Whether you're buying for yourself, a friend, family member, co-worker, or another lady you care about. These stylish keychains meet your needs and are a practical and beautiful gift that he can use daily. This is an ideal gift for Birthdays, Valentine's Day, Thanksgiving, Christmas, and more.