A necklace as a brooch

1.step: You need a beloved medallion necklace and a small clip.

2.step: Put a clip through the invisible pocket of the blazer...

3.step: Put the clip through the medallion ...

.step: ...and back through the blazer invisible pocket...

5.step: Close the clip and hide it...

6.step: The part of the lace put in the pocket...

Finish result:)