Tesla made a face, "No, no...broaden your stance." Tesla used his zanpakutou to spread his legs apart a bit more, "Left leg back slightly, arms straight."
Tesla nodded in approval and unsheathed his zanpakutou, showing him some novice moves to begin with and telling him to repeat them until they were done perfectly
Kohaku began practicing, repeating the moves over and over. He did that for hours, eventually getting down a few moves, but they still needed work. By now he was sweating and panting, frowning softly as he practiced.