To use these Digimon Dim Cards with your Vital Bracelet, simply insert the cards into the appropriate slot on the bracelet. It's that easy! When handling the cards, be gentle to avoid any damage. Don't bend or scratch them. Store the cards in a cool, dry place to keep them in good condition. If you're not using the cards for a while, you can keep them in a protective case. That way, they'll be ready for your next adventure whenever you want!