Irimi Nage, also known as entering throw, is one of most important and basic techniques in Aikido. It is the technique that elaborate the circular movement, showing the harmony of both the defender and attacker, thus it is the movement of nature. But in other martial art, the techniques of Irimi Nage is known as a neck choking or strangling techniques.
Irimi nage is done through turining and finished with a arm hit to the opponent's neck. If locked, it will suffocate a person, thus immobilize their movement of attack. In real life application, it is easier to turn to the back of the opponent and suffocate the person by the neck. Therefore, Irimi Nage is an effective technique. In Randori or sparring, Irimi Nage comes in handy.