To use the Gum Guard, simply follow these fitting instructions: - Boil water. - Pour hot water into a mug. - Submerge the mouth guard for 30-90 seconds. - Use a utensil to remove it and allow it to cool until comfortable. - Adjust the mouth guard to the proper position in front of a mirror. - Bite down firmly, applying even pressure with your fingers and tongue. - Hold the bite for 30 seconds to ensure it conforms to your teeth. - Carefully remove the mouth guard. - Rinse it under cold running water to cool it completely. - Test the fit to ensure it is secure and comfortable. - If necessary, repeat steps 1-10 for a proper fit. - After each use, clean the gum guard with toothpaste and water, and store it in the provided Ligum Fight Gear carrying case for hygienic transportation.