BJJ trained door man subdues unruly customer

ideo is from a nightclub in Glasgow, Scotland. 
Context. 
Males have been ejected from the club for harassing staff members, they look to pick a fight with security at the door. The male tries to grab security and gets pushed away and then tries to return fire when security just thought best to get a hold of them to calm them down. The males were sent on there afterwards calm and no police were involved. 
The security with the north south Kimura is a Gracie Barra Blue Belt. 
The video has never been released anywhere before it’s from a couple of years ago.