You have to use Tear Mender that you can purchase at Tractor supply or Walgreens. First put a drop at the end of the nose strip let stand for a few seconds and then put a drop of tear mendor on the ear half way up in the ear on the outer edge . Also let that stand for a few seconds then put them both together and hold them for a few seconds . Then do the same on the other side , do one side at a time. Get the extra strenght nose strip and wide for there ears they have more support . Leave them in as long as possiable You don't have to put much glue in the ears just enough on the end of the strips .