This feature is a part of Listing Buttons. Click here to see all Listing Buttons features.
You can define the max number of listing buttons in Catalog Settings > Listing Buttons:
You can define an unlimited number of listing buttons.
All our solutions are compatible with or without the WooCommerce Catalog Booster plugin.
The best if you are starting with your catalog development.
This is a simple solution for an extendable custom post type to create your catalog.