A is a type of Kinbaku bondage

Bondage (BDSM)

Bondage is the use of restraints for the sexual pleasure of the parties involved. It may be used in its own right, as in the case of rope bondage and breast bondage, or as part of sexual activity or BDSM activity.- Private bondage :...

. It originated over 300 years ago in Japan as a torture

Torture

Torture is the act of inflicting severe pain as a means of punishment, revenge, forcing information or a confession, or simply as an act of cruelty. Throughout history, torture has often been used as a method of political re-education, interrogation, punishment, and coercion...

 and interrogation technique. Due to the forced bent down position of the upper body this position sends a burning sensation through the body if the subject remains in it for a long time.

Due to the knee

Knee

The knee joint joins the thigh with the leg and consists of two articulations: one between the fibula and tibia, and one between the femur and patella. It is the largest joint in the human body and is very complicated. The knee is a mobile trocho-ginglymus , which permits flexion and extension as...

s which are widely spread the position resembles the legs of a crab

Crab

True crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" , or where the reduced abdomen is entirely hidden under the thorax...

 or shrimp

Shrimp

Shrimp are swimming, decapod crustaceans classified in the infraorder Caridea, found widely around the world in both fresh and salt water. Adult shrimp are filter feeding benthic animals living close to the bottom. They can live in schools and can swim rapidly backwards. Shrimp are an important...

.

Procedure

1. A chest harness of rope
   Rope
   A rope is a length of fibres, twisted or braided together to improve strength for pulling and connecting. It has tensile strength but is too flexible to provide compressive strength...
   
    is tied. Binding the wrists behind the back and the arms to the body. [[see Ushiro Takatekote]]
2. Their ankles are tied crossed as they sit on the floor.
3. The ends of the ankle rope are pulled up over the body to upper central knot on the back of the chest harness,
4. then pulled back down to the ancles forcing the body down.

Variations

• knee's are bound inward to further restrict movement.
• The ankles are tied to the neck instead of the chest harness.
• The subject lies on his or her belly and the ankles are drawn to the back, similar to the hogtie bondage
  Hogtie bondage
  The hogtie is a bondage position in which a submissive's wrists and ankles are fastened together behind their back using some form of physical restraints, such as rope or cuffs....
  
  . This position is known as Gyaku ebi reverse shrimp tie

All variations have the crossed position of the ankles in common.

External links

• photo of the shrimp tie on bondageprojekt.com retrieved on Aug 25, 2009
• woman bound in shrimp tie position lying on her back, retrieved on 27 August, 2009