1: Inside the bracelet you will find small arrows on each removable link indicating which direction the pins should be pushed to remove them.
2: Next, place the bracelet in the tool so that you can push the pin in the right direction. (Make sure you aim precisely at the hole or pin, otherwise you may break or bend the pin in the tool.)
3: Once the desired number of links have been removed, insert the pin in exactly the same way you removed it. If the pin still protrudes slightly after this, you can press or hammer it all the way in with the base of the tool.