I've posted this before, but everyone should test their Safeguard at low, safe heights and pull the lever wide open and let it rip. I and others have done this, with out of spec 8mm Oplux, and cannot achieve enough speed to cause damage or fear. Maybe it doesn't work that way for you, but try it and see. It gives you greater confidence in the Safeguard once you try it.I think I've just been afraid to open to brake fully I was always under the impression that it was a combination of two hands and finding a sweet spot with the madrock brake.