After dragging the arm across, the opponent may attempt to correct the move and square up to avoid the back take. When this happens Matt Darcy uses his free hand to reach across the back, into the far armpit to lock them down, and use their momentum to sweep them into the other direction. From the sweep he likes to go straight into S-mount to set up the armbar.
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