Skill Work:

4 sets of 5 handstand negatives (5 second descent)
Rest 30-60 seconds between sets

If you have strict HSPU:

4×5 strict HSPU with as little rest as possible between reps and 30 second rest between sets.

If you want to try strict HSPU with partner assist:
https://www.youtube.com/watch?v=LZcokvVTHqo

4x 10 shoulder taps

21 – 15 – 9

HSPU
Pull-ups
Thrusters (95/65)
KB Snatches (53/35)
Lunges with KB