50-50 Guard | Rolling Estima/Tama Lock

Transitioning to a 70-30 guard for a submission when an opponent defends a belly-down ankle lock by rolling:

1. Attempt a straight ankle lock, but if the opponent starts to roll to escape, follow them to maintain control.
2. As the opponent rolls, insert a 70-30 hook instead of continuing with the ankle lock.
3. Grab the opponent's pants with one hand and use the other hand to push their leg up, positioning their foot correctly for the submission.
4. Adjust your position to ensure the 70-30 hook is in place, anticipating the opponent's turn.
5. As the opponent rolls with you, maintain the 70-30 hook and prevent them from coming on top by keeping your foot in place to push against them.
6. Control the cuff of the opponent's pants and slide your other hand under their knee to establish the 70-30 guard.
7. Position the opponent's toes correctly, switch grips on the cuff if necessary, secure the position, and then execute the submission.