Since its creation, the Kodokan has always emphasised randori training, prioritising the use of the nage waza and katame waza, reserving the atemi waza for study in the form of kata, in free practice and to develop self-defense sequences. As far as nage waza is concerned, the "nage no kata" is currently widely used as the main kata to learn the basics of projection techniques, where Tori performs the technique directly, without uke performing any...