is one of the twelve constriction techniques of Kodokan Judo

Judo

is a modern martial art and combat sport created in Japan in 1882 by Jigoro Kano. Its most prominent feature is its competitive element, where the object is to either throw or takedown one's opponent to the ground, immobilize or otherwise subdue one's opponent with a grappling maneuver, or force an...

 in the
Shime-waza list.

Escapes

In the following two clips/animations from
The Essence Of Judo,
Kyuzo Mifune

Kyuzo Mifune

has been categorized as one of the greatest exponents of the art of judo after the founder, Kanō Jigorō. He is considered by many to be the greatest judo technician ever, after Kanō.-Early life:...

 demonstrates defenses against Okuri-Eri-Jime,
which can be used against back mount

Back mount

Back mount, or rear mount, is a dominant ground grappling position where one combatant is behind the other in such a way that he or she is controlling the combatant in front. Typically, the combatant in the inferior position is lying face-down, while the other combatant is sitting or lying on top...

s in general.

Brazilian Jiu-Jitsu, Theory And Technique, by Renzo & Royler Gracie,
also describes the footlock counter to the backmount.

Included systems

Systems:

• Kodokan
  Kodokan
  , or the Kodokan Institute, is the headquarters of the worldwide judo community. Literally, kō means "to lecture" or "to spread information," dō means "the way," and kan is "a public building or hall," together translating roughly as "a place for the study or promotion of the way." The Kodokan was...
  
   Judo
  Judo
  is a modern martial art and combat sport created in Japan in 1882 by Jigoro Kano. Its most prominent feature is its competitive element, where the object is to either throw or takedown one's opponent to the ground, immobilize or otherwise subdue one's opponent with a grappling maneuver, or force an...
  
  , Judo Lists

Lists:

• The Canon Of Judo
• Judo technique
  Judo technique
  This page is a list of judo techniques. There are a variety of techniques recognized by Kodokan judo and other budō . Below is a partial list, organized by technique type and alphabetically within type....
  
  

Tawara-Jime

Kyuzo Mifune

Kyuzo Mifune

has been categorized as one of the greatest exponents of the art of judo after the founder, Kanō Jigorō. He is considered by many to be the greatest judo technician ever, after Kanō.-Early life:...

demonstrates Tawara-Jime in
The Essence of Judo and it is described in The Canon Of Judo.

Technique description

• Graphic from http://www.judoinfo.com/techdrw.htm

Exemplar videos:

• Tournament from http://www.judoinfo.com/video8.htm;
• Demonstrated from http://judoclub.ca/videoclips.html;
• Animation from http://wikilecture.org.