What is a Kimura Lock?
A Kimura lock is a submission technique where you grab and secure the opponent's wrist while opponent's arm is facing downwards, then bend and twist the shoulder joint backward to force him to submit.
Etymology of the Kimura Lock
The Japanese judo athlete Kimura Masahiko became famous for defeating Helio Gracie with a judo technique called "ude-garami" (腕緘, うでがらみ), which involves twisting the arm. In Brazilian Jiu-Jitsu (BJJ), this technique was named after him out of respect. Since the technique is almost identical to the key lock but with a reversed direction, it is also referred to as the "reverse key lock."
How to Apply a Kimura Lock
1. Open the closed guard and shirpt to the right.
2. Send your right hand behind the opponent's left arm and bring it out to the forearm.
3. Grab the opponent's wrist with your left hand.
4-1. Grab your left wrist with your right hand.
4-2. If the opponent straightens the arm so you can't grab your wrist, lift up the opponent, push your left hand towards opponent's back to bend the arm and grab your right hand.
5. Place your left leg on the opponent's back to hold.
6. . Keep your right hand close to your body and push your left hand towards opponent's scapula.
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