If you find yourself caught in side control with your arms trapped, it is important you free them in order to setup an escape. Braulio demonstrates how to use the bridge to free one of your arms so you can frame on your opponent's hip and create space to escape. Once you get your knee inside, you can immediately transition to an omoplata.
Links to other Parts:
Part 1,
Part 3,
Part 4,
Part 5,
Part 6