Checkout: Related Products
Checkout > Products > Related Products
Related products in the WordPress Shopping Cart plugin will show up on individual product posts/pages at the bottom of the product details. You can configure related products to display in either grid or list view, disregarding the layout of your current products on category pages.
A selection screen will be displayed with all the existing products on the right.
Drag and drop the products to the left to associated then with the product that you are viewing.
You can change the display order by draging and dropping the related products in a vertical movement with your mouse.