I think i get this, but let me show you a better alternative (I guess)...

If you are in a BUY condition on EU and the price goes against you, lets say, 30 pips down, if in that condition you open a SELL in GU and price start to rise again till the first BUY get breakeven then you would be locking the DD at -30 because the SELL in GU would be at that moment -30. But, i think, if you then, in this similar case, open a SELL in GU but with 4 times the lot size but controlling it's TP virtually (with a function following this trade) then you could finish both trades in breakeven at leats.
Let's say, BUY EU, prices go against us 20 pips, then we open the protection SELL in GU with 4 times lot size and TP at 5 pips, if TP of that second trade is hit then we close both trades in breakeven (well, minus spread). That could make a good "bad trade" protection in case the counter trend against us where really clear. With 5 pips TP then we can get pretty HIGH possibilities to win and save the bad trade. Obviously in both cases you are in risk of a margin call if you are working with HIGH lot size or in a little account...

Regards