The first thing you want to do is call Jerry he has been perfecting the technique for years. 1.First buy a trap 2. Point the pin at the end away from the spring3.Pull the metal piece that catches the mouse back towards the pin 4.with one hand hold the metal piece that catches the mouse and with the other hand lay the pin over it. 5.Put the pin in the hole in the metal plate at the other end. 6.Hold the metal plate up and let go of the metal that catches the mouse. 7.Put cheese or peanut butter under the metal plate. 8.Catch yourself a Tom.