To scrape is a particular model of approach of trade employed by tradesmen of Forex to take small fast benefit of the exchange markets. One makes several trade of reinforcement of short duration which are maintained open for one short period. Trade often only the end a question of the minutes and will have usually small targets of benefit. The central idea is that the exposure of reinforcement of short duration to the markets reduces the risk of trade. Also these smaller benefit can be made up in returns much larger above moreover long periods.