free flow

Has anyone had an issue while deep diving (95 feet) where their second stages began to free flow and they need to dial the user adjustment knob back (clockwise)? Per most manufacturers this adjustment may be needed in current or while inverted, but it seems to me a probable need at depth due to...

Would like to get insights from experienced cold water divers (32-45 degree water) on best practices we as divers can follow to diminish the probability of a free flow when diving cold water. The assumption of this question is we are diving with cold water rated regs that are properly serviced...