How to Use the sync lock feature in Premiere Pro CS4

The new sync lock feature in Premiere Pro CS4 is a very useful tool that will maintain the relationship between clips in multiple tracks so that when you are editing you make changes to one clip, Premiere will keep your edits in place by adjusting the other clips in the timeline. Sync lock is a new feature added to Premiere Pro CS4 and this tutorial shows you how and when to use it as it pertains to your normal editing workflow in Premiere Pro. This is especially helpful when ripple editing.