This is an example of how to set up a breadcrumb list for all collections that the product is included in, near the footer of a Shopify product detail page. Rather than improving navigation, this is more useful as link text for internal SEO measures for collection pages.
Example of a setting that displays a breadcrumb list of all collections that the product is included in on a product detail page

How to set it up: Add a customized Liquid section to your product template and insert the code

