Incorrect. The fixed should lead the movable jaw. Loosen a wrench and pretend to tighten a bolt, and you will see that this way exerts less torque on the movable jaw. After some searching and re-searching, followed by trying it for myself, I've come to a conclusion... you're absolutely right. All t...

LOL, the director of that video should have asked someone how to properly use an adjustable wrench. The movable jaw should lead the fixed one. edit* Being an HVAC-R serviceman, leak lock is my go to sealer.I do use quite a bit of yellow gas tape when I don't feel like getting messy though http://www...