“Write useful feedback and keep your changes small” - the internet is full of these code review tips. What is often missed: the technical part. But knowing how to properly utilize git is key for efficient code reviews. This is harder than it sounds. Git offers nearly 150 commands and 80.000 lines of documentation. Who has time to read all of this? Save yourself the time and join our talk to get an overview of all the interesting bits. We will not only take a look at the basics you need for efficient code reviews. We'll also explore the hidden gems that you might not be aware of, even if you have been using git for years. Prepare yourself for a hands-on talk for beginners and experts that helps you improve your code review workflow.