Most WooCommerce users simply press a button or two to complete their order. In certain cases, you may want to collect their signature. Digital Signature Checkout is just the plugin for the job. It is a handy plugin that lets you users sign their contacts with their mouse. It also works very well with touchscreen devices.
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The free version lets you customize the width and height of the signature field. The premium version has even more functions, including customizable background and pen color. You will be able to change the signature field position on order and checkout pages. You will also be able to make signatures mandatory.