To start with you will need Bergeron 3153 pin and spring bar tool, A diaper pin (of the correct diameter) with the tip ground level, A plastic tipped hammer, A pin vise with a little number tool inserted backwards makes a huge dealer and a drill catalog comprising of number drills 61-80. Once you have all of this you can start by removing the spring bar and separate the bracelets in two different portions. Once you open it up you will see several links in the small screws which have various links. Now push the pin in the direction of the arrow that is pointed. Once you push this the pin will start moving out in the opposite direction. Now push the pin back in from the opposite direction.