This is an intermediate to advanced submission that can be used when your opponent pushes you away in Side Control or Kesa Gatame.
The closer to the hips that you control the larger the pocket will be for your knee to lead in at the armpit. Make sure to base off the hand that is next to the hips and the foot that is based on the foot. This should resemble the feeling of a technical standup. Once you elevate your hips it should be a really easy transition.
Make sure that you insert the shin
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