Forex trading divides beginner is assemble lot most little on first step as provocation 0.1 lot, if price is still noy unidirectionsl therefore open again with same position 0.2 lot, if is still not unidirectional therefore open again 0.4 lot, therefore om last stage must will touch by unidirectional trend so the latest lot is that largest to reach for gain who can cose los the first.