Kainahineri (two-handed arm twist down) - The attacker locks up one of the defender's arms with both arms and, turning into his opponent, twists him over and into the clay.
Kakenage
Kakenage (hooking inner thigh throw) - The attacker hooks one leg inside the defender's legs and turns away in order to raise the hooked leg up and back to force the defender up and over into the clay.
Kakezori
Kakezori (hooking backwards body drop) - With his head under one of the defender's arms and an inside grip of his opponent's mawashi on the opposite side, the attacker attempts to twist the defender over or hook the defender's closest leg, driving his head into the defender's side to force him over backward.
Katasukashi
Katasukashi (under-shoulder swing down) - The attacker forces his opponent down by placing one hand on the opponent's shoulder blade from the inside and one from the outside, pulling him down and forward.
Kawazugake
Kawazugake (hooking backward counter throw) - The attacker hooks his opponent's closest leg from the inside and takes him over backward by pulling the hooked leg forward and across his own body.
Kekaeshi
Kekaeshi (minor inner footsweep) - The attacker sweeps his opponent's leg out from under him by kicking the defender's leg from the inside, often accompanied by a well-timed slap on the defender's back.
Ketaguri
Ketaguri (pulling inside ankle sweep) - Usually seen at the tachi-ai (initial charge), the attacker leaps to the side and kicks or sweeps his opponent's lead leg from the inside while slapping the shoulder or pulling the arm closest to him.
Kimedashi
Kimedashi (arm barring force out) - The attacker locks up the defender's elbows by wrapping his own arms around them from the outside, pulling up and in to march or swing the opponent backward and out of the ring.
Kimetaoshi
Kimetaoshi (arm barring force down) - The attacker locks up one or both of the opponent's elbows with an outside grip, then throwing his weight into and on top of the opponent.
Kirikaeshi
Kirikaeshi (twisting backward knee trip) - The attacker takes a deep step forward, placing his knee behind his opponent's lead leg, then twists his opponent backward and over that knee.
Komatasukui
Komatasukui (over thigh scooping body drop) - Best used in combination with an over-arm or under-arm throw. As the opponent takes a deep step forward to defend against the throw, the attacker grabs the opponent's leg and pulls up to drive the opponent over backward.
Koshikudake
Koshikudake (inadvertent collapse) - Koshikudake is recorded outside sumo's official list of winning techniques. A rikishi falls over backward without his opponent attempting any technique, often the result of a rikishi overcommitting to an attack.
Koshinage
Koshinage (hip throw) - The attacker turns into his opponent while pulling him onto his hips, straightening his knees, throwing the defender over and onto his back.
Kotehineri
Koshikudake (inadvertent collapse) - Koshikudake is recorded outside sumo's official list of winning techniques. A rikishi falls over backward without his opponent attempting any technique, often the result of a rikishi overcommitting to an attack.
Kotenage
Kotenage (armlock throw) - The attacker wraps his arm around the opponent's inside gripping arm, locking it up on or near the elbow and turning away from him, usually at the edge of the ring.
Kozumatori
Kozumatori (ankle pick) - The attacker leans into his opponent and grabs the opponent's ankle or base of the calf, then pulls that ankle up and toward him while driving into his foe, forcing him over onto his back. Another variation has the attacker pulling on the same ankle or calf from behind.
Kubihineri
Kubihineri (head twisting throw) - The attacker wraps one hand around his opponent's neck and the other hand around the opponent's inside gripping arm, then pulling the hand on the opponent's neck and twisting the opponent onto the clay.
Kubinage
Kubinage (headlock throw) - The attacker turns into his opponent and throws him by wrapping one arm around his neck as he makes that turn. The other hand is usually gripping the opponent's arm furthest from him from the outside.
Kainahineri
Kainahineri (two-handed arm twist down) - The attacker locks up one of the defender's arms with both arms and, turning into his opponent, twists him over and into the clay.
Kakenage (hooking inner thigh throw) - The attacker hooks one leg inside the defender's legs and turns away in order to raise the hooked leg up and back to force the defender up and over into the clay.
Kakezori (hooking backwards body drop) - With his head under one of the defender's arms and an inside grip of his opponent's mawashi on the opposite side, the attacker attempts to twist the defender over or hook the defender's closest leg, driving his head into the defender's side to force him over backward.
Katasukashi (under-shoulder swing down) - The attacker forces his opponent down by placing one hand on the opponent's shoulder blade from the inside and one from the outside, pulling him down and forward.
Kekaeshi (minor inner footsweep) - The attacker sweeps his opponent's leg out from under him by kicking the defender's leg from the inside, often accompanied by a well-timed slap on the defender's back.
Ketaguri (pulling inside ankle sweep) - Usually seen at the tachi-ai (initial charge), the attacker leaps to the side and kicks or sweeps his opponent's lead leg from the inside while slapping the shoulder or pulling the arm closest to him.
Kimedashi (arm barring force out) - The attacker locks up the defender's elbows by wrapping his own arms around them from the outside, pulling up and in to march or swing the opponent backward and out of the ring.
Kimetaoshi (arm barring force down) - The attacker locks up one or both of the opponent's elbows with an outside grip, then throwing his weight into and on top of the opponent.
Kirikaeshi (twisting backward knee trip) - The attacker takes a deep step forward, placing his knee behind his opponent's lead leg, then twists his opponent backward and over that knee.
Komatasukui (over thigh scooping body drop) - Best used in combination with an over-arm or under-arm throw. As the opponent takes a deep step forward to defend against the throw, the attacker grabs the opponent's leg and pulls up to drive the opponent over backward.
Koshikudake (inadvertent collapse) - Koshikudake is recorded outside sumo's official list of winning techniques. A rikishi falls over backward without his opponent attempting any technique, often the result of a rikishi overcommitting to an attack.
Koshinage (hip throw) - The attacker turns into his opponent while pulling him onto his hips, straightening his knees, throwing the defender over and onto his back.
Koshikudake (inadvertent collapse) - Koshikudake is recorded outside sumo's official list of winning techniques. A rikishi falls over backward without his opponent attempting any technique, often the result of a rikishi overcommitting to an attack.
Kotenage (armlock throw) - The attacker wraps his arm around the opponent's inside gripping arm, locking it up on or near the elbow and turning away from him, usually at the edge of the ring.
Kozumatori (ankle pick) - The attacker leans into his opponent and grabs the opponent's ankle or base of the calf, then pulls that ankle up and toward him while driving into his foe, forcing him over onto his back. Another variation has the attacker pulling on the same ankle or calf from behind.
Kubihineri (head twisting throw) - The attacker wraps one hand around his opponent's neck and the other hand around the opponent's inside gripping arm, then pulling the hand on the opponent's neck and twisting the opponent onto the clay.
Kubinage (headlock throw) - The attacker turns into his opponent and throws him by wrapping one arm around his neck as he makes that turn. The other hand is usually gripping the opponent's arm furthest from him from the outside.