BookArc for MacBook Pros is a useful accessory (if you don’t use the Touch Bar)
<p style="white-space: pre-wrap;">Twelve South’s <a href="https://www.twelvesouth.com/product/bookarc-for-macbook-pro-retina" target="_blank" rel="noopener noreferrer">BookArc</a> allows you to run your setup from the power of your Mac laptop while in closed clamshell mode. It’s a great product — as long as you don’t wish to use the Touch Bar.</p>