With feet even, in passo naturale, as in the following figure, you thrust the left forwards, and holding it raised, you jump up about a palm, and open the legs at the same time, putting the left on the ground, and raising the right behind, and with the right you give a sottopiede Cromatico to the left and thrust the left forwards, and you put it on the ground in passo naturale. And this can also be done on the other side, and also when you find the left foot behind. It is called this because you split the legs and at the same time cross them.