Slide the longer bracket along the groove toward the main unit.
point ☞ The index finger rests the thumb on the body behind the long bracket. Please refer to the figure below.
When you look at the main body from the side, the bands are close to each other and are closed. If you pull towards the arrow, there will be a gap. Then, you can change the contents of the band with the metal fitting below.
point ☞ Pull the longer bracket toward you and slide.
If you can slide into the groove, you can change the contents by turning the band. When the content to be stamped is decided and confirmed, slide the longer metal fitting and close it until you hear a "snap" sound.
point ☞ When putting it back, push it inward to close it