why do you say will not work, you mean it is not possible because the installation whether SL is too close, to the position of price movements are often touching. but can actually smart if we analyze a trade, without the installation of SL we can achieve 100% profit, with the indicator BB (Bolinger Band) capable of revealing the results of a price point of saturation, this indicator is capable of obtaining profit without SL. but the point that we take is relatively small, because the BB we use scalping is not longterm