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Is possible to link 2 collection lists by not nesting and out of a collection page?

Hello, my question is, if it is possible to link 2 collection lists without nesting them inside each other and out of a collection page?

What I know is that is possible to nest them inside each other, and that inside of a collection page is possible to “link” them because the collection page acts like a collection list which you can nest other collections lists inside. But what about linking 2 collection lists not nesting and not using cms pages?

What I mean by linking is one showing content that corresponds to the content being shown on the other one.

Take a look at Attributes by Finsweet
CMS Combine - Combine multiple Collection Lists to one Collection List