Comments so far in other threads have been invaluable. I'd appreciate any others as I try to clean up my form. With my heavier sets, my knees are still sliding forward a bit at the bottom, even when I concentrate on keeping them fixed. Any mental prompts that would help that issue would be great.
Here is my best set of squat (wfs):
Here is a slightly messier set (wfs):
Also, any comments on my deadlift, now that I'm increasing weight (wfs):