21.   When Bobbie went on struggling I pushed her head against the floor, wincing at the crack it made.

22.   The poor woman freaked out completely, banging her head against the wall and screaming.

23.   He fell, bonking his head against a tree.

24.   Michelle had fallen asleep with her head against his shoulder.

25.   When the police came, Larry had him by the ear and was beating his head against the pavement.

26.   I appealed for help but felt I was always banging my head against a wall.

27.   I wondered if I was banging my head against a brick wall.

28.   He hit his head against a metal bar.

29.   Simon rested his head against the upholstery.