custom-fields

• post > add-custom-fields-to-woocommerce-products link > https://blog.nexcess.net/custom-fields-woocommerce-products/
• post > add-extra-fields-to-your-product-page link > https://ppom.nmediahosting.com/product/happy-ninja/
• post > add-woocommerce-registration-form-fields link > https://www.cloudways.com/blog/add-woocommerce-registration-form-fields/
• post > programmatically-create-and-display-custom-text-fields-in-woocommerce link > https://pluginrepublic.com/add-custom-fields-woocommerce-product/