Matt Darcy shows how to transition to mount from side control then goes over the cross choke with a fine tooth comb to make sure every attempt is a high percentage finish.
When trying to perform the foot scrape to escape the mounted position, an opponent may be able to glue the laces of their foot down to the mat making it difficult to perform the move. Instead of trying to force the scrape matt will opt to hook his foot under theirs to lift their leg and trapping...
From the mounted position Matt Darcy shows a few ways to disrupt the breathing of the opponent. If you place your hand over their nose and mouth it is illegal. However, grabbing your gi and placing it over the nose and mouth of the opponent is perfectly legal
In this part of his closed guard underhook clinch system, Matt Darcy shows how to instead sweep to mount when his opponent lifts their knee off the mat.