STEP 1: Your opponent grabs both of yor wrists.
STEP 2: You reach across and grab one of his wrists with a grabbed opposite hand.
STEP 3: You pull down and direct his "captured" hand into your open mouth. Bite or strip his hand free.
STEP 4: Now that his grab has been released, maintain your grip with your opposite hand, and use your free same side hand to grab his fingers.
STEP 5: Bend his fingers back and sideways as you sweep his fingers across your body to create the finger lock and pain compliance.
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The intent of this lock is to get your opponent off your body. You immediately must transition to another position or technique.