How would you make a mask [and not just the simple shapes like rectangles and ellipses] in Adobe Premiere CS6? If it's not natively supported, can I use a plugin? - Quora
Adobe Premiere Pro CS6 Tutorial | Using Keyframes | Infiniteskills - YouTube
How to mask in Premiere Pro? - Premiere Basics
Using Masks and Tracking in Adobe Premiere Pro CC - Toolfarm
video editor - Does Adobe Premiere Pro CS6 have a fullscreen mode? - Video Production Stack Exchange
Advanced Titler & Feathering a Track Matte as a Mask using Adobe Premiere Pro CS5.5 - YouTube