Mobilize, then:

CS shoulder activation protocol
20 cal bike
3 deep squat progressions

A.) 6x 2-3 reps of:
Strict press @ 80-85%

B.) 3 sets of: (alt)
10 DB front rack split squats (each leg)
:rest 60
3 air chair swings (bar muscle up progression)

C.) 10 amrap

3 bar MU
6 T2B
2 line front rack walking lunge (95/65)