Unlocked (Disconnected) it will allow 16" of suspension travel without binding or the knuckles inverting. Locked (Connected) it will be apply 4x the roll resistance of a standard defender bar. Can be locked and unlocked without the vehicle being level - it will just change state when the torque on the bar is relieved as you drive. Can be locked or unlocked in seconds without having to lie under the vehicle or get muddy or for the vehicle to be level."