I’ve seen a few of these old videos, but I hadn’t seen this one before:

One thing I’ve been curious about - independent suspension, especially in the rear of a vehicle. According to this video, using something like a universal joint isn’t enough to keep motion fluid if input and output angles are different:

So, in the case of output coming from a differential and having to work it’s way to a wheel in an independent suspension setup, it must be necessary to use a pair of CV joints - one close to the differential, and one close to the wheel. Am I right?