1.   She knocked her head on a stone.

2.   He caught hold of the two nearest him and knocked their heads together, kicked two more and grabbed the ringleaders.

3.   I slam a blow into his cheek, and it knocks his head against the wall.

4.   Gonna knock your head for six!

5.   Armey, a respected tactician, will have to be the one to knock heads and make deals to get the job done.

6.   A local tycoon, Jimmy Pattison, knocked heads to make sure the show opened on time.

7.   Both Rafter and his singles colleague today, the massive-serving Mark Philippoussis, will need clear heads in knocking heads with Chang and Sampras, respectively.

8.   Everybody else had to knock heads.

9.   Hockey owners and players currently are knocking heads in New York.