Mac - How to display the hidden files of my PLAY racket?

1. Plug your PLAY racket into your computer using the charging cable
2. The light might be solid Red or solid green (if the racket is fully charged)
3. The racket should be detected as an USB key
4. On your Mac, open the root of the racket
   
5. Now you just have to press simultaneously press: SHIFT ⇧ + Command ⌘+ . (point)
   If this shortcut is not working on your side, please try this one: SHIFT ⇧ + command ⌘ + . + Fn
6. You can now see the hidden files of your racket:
   

NB: 

• The "LOG00X.BIN" files are the sessions
• The "USERPAR.INF" file is, as it were, the ID card of your card