title: How to add checkbox in cart, save and display checkbox value in edit order page?
body: <p>I am looking for a hook to display on the cart page a check box that mentions <code>is it a gift?</code>. I found <code>woocommerce_after_checkout_billing_form</code> but obviously, it shows on the <code>billing and address page</code>, is it any solution?</p>
  <p>Update:
  Add after table of current product in the basket.</p>