1.      choose the fit size of your nail

2.      use the Nail File burnish ,make the length and the shape (for example: The square shape)you like

3.      put the Protects nail polish on your nail

4.      you can use the nail's rubber pastes OR the nail's glue water

5.      Slides the way the armor piece to paste is the nail root,  Starts with the hand by 45 degrees by the nail already  root to hold back gently, Let the false armor piece  closely bind with the real armor.