21-18-15-12-9-6-3 reps of:
Handstand push-ups
L pull-ups
Scaling
This workout may take a while and will challenge your muscular stamina. Handstand push-ups and L pull-ups are both advanced movements. Reduce the reps but choose movements that are still challenging for you.
Intermediate Option
18-15-12-9-6-3 reps of:
Handstand push-ups
Kipping L pull-ups
Beginner Option
15-12-9-6-3 reps of:
Pike push-ups
Jumping tuck pull-ups