Video source: https://youtu.be/genrvceEZtA
First get Mod Menu for fabric so you can customise the Cosmetica Mod on 1.18.2. Grab it from Here
With the Cosmetica mod you will get:-
- Free Capes
- Free Hats
- Free Shoulder items (that sit on your shoulder)
- Free Custom Title
All of these can be changed from the menu option which then opens up a Internet Browser page where you can make your selections. Then you can apply it in-game and enjoy all the free cosmetics.
Get the Cosmetica Mod for 1.18.2 from Here
If you have any questions or need help then post a comment in the above video link's comment section.