***Make sure Expose Element IDs is on!***
Assign Element IDs to the elements where you would like a custom cursor.
Add a Cursor Change element to your page.
Add the ElementID or IDs (comma separated) to the appropriate cursor.
To create custom cursor, additionally add a link to the .cur file of your choice under one of the custom options. See the video here:
https://vimeo.com/cspotter/review/379908828/1910d8ed4d