Jan 16, 2019· Step 1, Assemble your materials. Get together the cotton swabs and other necessary components: Cotton swabs Toothbrush A mirror Flashlight, flashlight app, or lamp that you can direct. Running 2, Shine a light down your throat. Open your mouth and shine the light into your mouth. Do this in front of a mirror so that you can locate the tonsil 3, Flex your tonsils. .