I am a professional nail technician , I really take care of my clients, I use spray to desensitized before starting my work , I pushed de cuticle , and I use cuticle remover, and I started filling the nail with a 100/80 fill for natural nail a used 80 size because I don't want damage de nail and I doing so gently ,I clean the nail and stating measure the tip after that I applied the tip with the glue on the nail , very need with no bobble, after that I fill tip again and clean up , and I will apply primer and wait for a minute to get dry and I can bull use flo products and dryer after filling and buffet and clean I can apply top coats.