chuchodani said:Disclaimer: I'm speaking just through my own experiences, I'm not better than anyone, and I don't think I'm more qualified than anyone.
When I started the F series, I was actually able to Full HLL and able to do a L-sit for 24-30s with decent form. And when I did the first PE's of MN I was able to did all of them because of the carryover from HLL and L-sit work. How did I learned to do HLL ? Just starting from the well known progressions, and for L-sit just the same. So, I think it would make sense to work on PE4 because it would have a positive impact on your previous PE's.
That's great! I'm hoping the same thing will happen for me.