In order to change a wax guard on a hearing aid, follow these steps: 1. Remove any dome before starting. 2. Remove a wax guard from the package 3. Insert the side without a white tip into the wax guard on your hearing aid. You should feel it click into place. Do not twist or rock the wax guard and do not too push hard. 4. Pull the wax guard out by lifting the stick straight out. 5. Repeat this process with the other side of the wax guard that has the white tip on it.