I turn the mouthpiece down on entry; this prevents it from freeflowing when I jump in.
Once its fully submerged, you can turn it back so the mouthpiece points at your mouth. Since the stage is flooded and there is no air in the reg, there is nothing to cause a freeflow to begin.
Once its fully submerged, you can turn it back so the mouthpiece points at your mouth. Since the stage is flooded and there is no air in the reg, there is nothing to cause a freeflow to begin.