As all the human body is actually a legal concentrate on, there is absolutely no principle of an off-focus on touch, apart from Should the fencer unintentionally strikes the floor, placing off the light and tone on the scoring apparatus. Unlike foil and sabre, épée won't use "appropriate of way", https://dustsuppressiononconstruc85318.pennywiki.com/4027008/the_2_minute_rule_for_construction