Not a tool but a powerful key for much more stable trading. Planning which I guess you already did, but if you haven't must include do some testing try it for a little amount a while then proceed to plan. Treat trading us a professional business and never ever let emotion swallow you because if you successfully did this part I guess you're quite bit in right path towards somehow successful yet stable trading. Notify yourself when to stop so you must not be overdoing things specially if something went wrong that you want to regain it badly.