As you wish.
Sasuke walks towards Kakuzu and stands next to him, facing the dummy which is a mere 5 meters in front of him. He cups his hands together, but leaves a gap in between his hands. Sasuke then imagines the flow of electricity coursing through him. As he invisions it, he starts to feel the movement of chakra to his palms. Focusing his Raiton chakra there, he can feel the high frequency and potential lethality of this element. He feels the lightning within his palms, and feels a slight shock.
You are right, this isn't going to be the easiest to control.
Soon after, Sasuke thinks of his future goals. He knows he must conquer this element. The Raiton chakra feels like it has stabalized, as Sasuke no longer feels the shock. He smirks, and connects his wrists together, joining the chakra from each hand into one. Staying calm and collected, Sasuke breathes, focuses on the dummy, and forces his hands out towards the dummy, aiming for the bulls eye and hitting it dead center.
Wow... That, was amazing... Lightning truly is my favorite element. Now, for this next one...
Sasuke quickly does the same thing he did in the last jutsu, focusing his Raiton chakra to his palm, although this time, it is just to his right hand. It feels stronger, because it is all going to one area, rather than two focal points. He grins menacingly, and imagines a certain someone as he slams his hand onto the ground in the direction of the front standing doused dummy. The lightning travels through the ground being that it is a good medium, and strikes the first dummy. At this moment, an electrical show can be seen by the domino effect that it had on all the dummies connected to the first, hitting every one of them.
How am I doing so far, Sensei?