Hips are better. I still need to see the step where you lift your chest.
This step has been described by Steve Hill: Getting SQUOZE is squeezing chest up (creating the wave of extension that travels down from thoracic through lumbar) as hard as you can. Then squeezing some more. Then when you think you've squeezed up as much as you can, squeeze that last little bit more. That's getting SQUOZE. Not to be confused with overextension, of course.
You need to squoze yourself before you pull.