Get both, The Mount Blueprint & Mastering The Kata Gatame. 

If you want a Kata Gatame that works against tough partners—people who know the escapes, people who won’t panic, people who can survive—this course gives you the structure to trap, cook, and finish with control instead of chaos.

And, Understanding how to maintain and dominate from the mount, will give you the time you need to use your new found skills!