New trailing stop properties

Trailing stop is very useful in scalping trading when we trade a large lot in small and quick steps. I would really like one additional property, let's say Decrease trailing stop size every profit point.

We need:

- Decrease trailing every profit point (here you could use the same as now "decrease trailing every minute" only to have the option to switch minutes/profitpoint),

- Decrease coefficient,

- Decrease start after.

What do you think of my proposal?