This is a fun one. We all love a good dislocation.
I cannot recommend shoulderdislocation.net enough. Spend some time there, get a room, enjoy the view. There’s some great stuff on there.
If you’re into papers then this one from Neil Cunningham from a few years ago has some great stuff in it.
Here’s a video of the technique in action
Radiopaedia.org: Shoulder dislocation with fracture greater tuberosity
Shoulderdoc.co.uk: Rupture long head biceps.
PS apologies for audio on this one. Levels were set wrong.