Most of us have heard the phrase "Granny Shifting not Double Clutching like you Should!" from the movie The Fast and The Furious all too much. Although most people use this term jokingly, they likely have no idea what it means. Engineering Explained has taking the time to show us on YouTube just what exactly Double Clutching is. In reality it's something that most of us driving a manual vheicle should never have to do. Double clutching is only really useful for transmissions that do not have synchronizers. These types of transmissions are usually found in much older automobiles or big trucks.
If it's something you are really interested in learning then check out the video below, otherwise it's kind of boring to watch if you're expecting some "fast and furious" type action.
Double Clutching Technique Explained Video