Increase sales showing a section to suggest items usually bought together with the product watched by your customer.
Demo: https://yithemes.com/themes/plugins/yith-woocommerce-frequently-bought-together/
WPC Frequently Bought Together is a highly effective plugin developed by WPClever to help online businesses increase sales and profits through a cross-sell marketing strategy. Specifically, offers are given as offers purchased together at the bottom of a single product page.