I agree that we should decrease the lot size when we are losing and increase the lot size when wnning. The problem that I find is that when you lose 6 or 7 times straight you need to win 6 or 7 times straight to break even if you use the 1% decrease anytime you lose and the 1% increase when you...
If you have made a loss, then trade with a smaller risk on the next trade/s until you have made your money back, then you can increase your risk again.