A man kisses a woman, we later se them on a sofa (sex implied)

A few scenes of beating with the use of baseball bats

Injured head shown - only for a few seconds. Not too gory

A man gets hit on the head with a metal bar. Blood is shown trickling from is head, and later, in the background, a picture of the same man's head bleeding all over is shown multiple times. A man punctures his hand with a sewing machine. Very brief and sudden. Blood spurts under the machine. Men are punched and kicked and hit with hammers. Some blood on lips and arms and head. A man is stabbed repeatedly. We see blood splatter all over the floor.