To make custom keychains, you will typically need the following materials and equipment:
1. Keychain blanks: These are the base components of the keychain, usually made of metal, plastic, acrylic, or wood. They come in various shapes and sizes, such as circles, rectangles, or custom designs.

2. Design software: If you plan on creating custom designs, you'll need design software like Adobe Illustrator or CorelDRAW to create or modify the desired designs for your keychains.

3. Laser engraver or cutter: If you want to add intricate designs or engravings to your keychains, a laser engraver or cutter can be used. This machine uses laser technology to engrave or cut out designs on different materials.

4. Printer and transfer paper: If you're using printable materials like acrylic or some types of plastic, you may need a printer and transfer paper to print out your designs before applying them to the keychain blanks.

5. Epoxy resin or clear sealant: If you want to add a protective and glossy finish to your keychains, you can use epoxy resin or a clear sealant to give them a professional look.

6. Jump rings or keychain hardware: These small metal rings or hardware pieces are used to attach the keychain blanks to the keyring.

7. Cutting tools: Depending on the materials you're working with, you may need various cutting tools such as scissors, utility knives, or clippers to trim excess material or refine the shape of the keychains.

8. Additional decorative designs: Depending on your designs, you might also need additional designs such as beads, charms, gemstones, or paint to enhance the visual appeal of your keychains.

Remember to prioritize safety when working with any equipment or materials. Also, ensure you have a clean and organized workspace to streamline your production process.