Lockets are small, decorative cases often worn as jewelry, typically around the neck. They are designed to hold a small picture or a keepsake, allowing the wearer to keep a loved one close. Lockets can be made from various materials, including gold, silver, or platinum, and often feature intricate designs or engravings. These sentimental pieces have been popular for centuries and are often given as gifts for special occasions, such as birthdays or anniversaries. Lockets can come in different shapes, with heart and oval being the most common. They serve as a personal reminder of cherished memories or relationships.