1.   He scratched his neck under his stiff collar, smoked cigarettes, and sucked mints to make his breath smell good.

2.   He scratched his back and scratched his neck.

3.   I did not cross but turned around and headed home, passing a gray horse scratching his neck on a fence post.

4.   Still, since he is double-jointed, he was able to reach his leg up and scratch his neck with his foot.

5.   The human hand can scratch a neck,

6.   When questioned, the man first said he was scratching his neck, then said that he was joking and that his conduct was stupid, the complaint said.