If you make a mistake taking an impression don't stress! Simply move onto taking the next impression. Be sure to watch our video tutorial and read all of the instructions in your kit first to help prevent further mistakes.If you think you've made further mistakes or are unsure if your impressions were captured well enough, please contact us and let us know. Our customer support will be more than happy to help you out!Please note: If at any time you feel you have made a mistake taking an impression, do not throw it away. Complete and return every impression as we may still be able to use any imperfect impressions, or crosscheck any relevant impression data.