How to link via api 2 or 3 slick sliders?

Question

Slick

or where to read about it...

Answer 1

Well, 2 is easy, they have a "Slider Syncing" section on the example page, where it is described
Link to the example page
About 3 sliders - I didn't do that, but most likely you just need to specify two selectors in asNavFor separated by commas. Google suggests what should work - here is an example