She does not comment on her success apart from a faint smile crossing her face. She knows as well as anyone that a single correct procedure does not mastery equate. It will be thousands of moments of repetition and years of sustained practice before the skill will be hers.

Still, it is a pleasing thought that this old dog still has some tricks.

Again and again they exchange strikes. Some perfectly timed, some lacking finesse, some just off the mark. A rhythmic patter develops. Battle, as her older brother would say, is a choreography.