Low–level relinking
Many editors don't like to get down and dirty with the raw media. In fact, the longer you've been in the industry, the more likely you are to have assistant editors to take care of all those details for you. But if you edit videos outside the traditional video and film bubble, you're probably doing it all yourself, and sometimes, circumstances require you to get your hands dirty.
Containers (Multicam and Compound Clips) give you flexibility, but using them requires planning upfront: you have to make the container first, and then edit with it. If you didn't make a container, do you have to manually replace every clip? Not necessarily: you can relink one clip to point at a different source clip if the two files are very similar.
Relinking to replace a clip
Relinking is a way to replace media behind the scenes, allowing you to point a clip to a different source file. However, this is only assured to work if the new clip and old...