There are several ways to disguise a sharp weapon as jewelry, but it is important to note that these operations must comply with local laws and regulations to ensure safety and legality: 1. **Appearance change**: The appearance of a weapon can be changed by applying paint or other materials to the surface of the weapon. For example, a sword can be painted gold or silver with metallic paint to make it look like a work of art. 2. **Decorative display**: The weapon can be decorated in an artistic frame or placed in a display cabinet with other decorations to make it look more like a work of art than a weapon. 3. **Cultural elements**: The design of the weapon can be combined with traditional craftsmanship, such as using carving, inlay and other techniques to give it cultural and artistic value. 4. **Construction of functional objects**: Use the shape and design of the weapon to create an object with other uses, such as transforming the blade into a bookend or pendant. 5. **Concealed design**: Make a seemingly ordinary jewelry, but the internal structure can hide a sharp edge, such as hiding the blade at the bottom of a jewelry. When performing any of the above operations, please ensure that you follow the relevant laws and regulations and consider safety and ethical issues. The production and display of weapons should be done with safety in mind and should not pose a potential threat to others.