Just insert the “Courage and Freedom” holding part in to the rooster base, it's a snap fit. The soda/beer can should be put in from top, remove from bottom.
STOP INVASION!
Here is the story of this pottery rooster:
https://www.euronews.com/culture/2022/04/11/saved-from-the-ruins-how-a-ceramic-rooster-became-a-symbol-of-resistance-in-ukraine
This is a remix of the only design I can find on cult3d(link included).
Also big thanks to this can holder creator:
https://www.thingiverse.com/thing:172274
The author hasn't provided the model origin yet.