Quick plugin to allow only certain Product ID’s to be forced to be purchased individually. All other items will be cleared from cart upon adding to cart. You can apply this to as many Product ID’s as you’d like, and the plugin will always check to make sure that the customer can not have any additional items in their cart.
Download this free plugin to add this new functionality into your WordPress website. Simply add to your cart and checkout to receive this plugin in your inbox for free. Click “Add New” Plugin on your WordPress website, Upload, and Activate.