1.   A prerequisite of being a member of our party is a thick skin and a sense of humour.

2.   As with all hams, the thick skin is removed before sale or serving.

3.   It requires a high level of stamina, a thick skin and a flexible mind.

4.   Some people have thick skins, others have thin ones and are more easily hurt.

5.   The jaws are armed with spine-like mouth papillae, otherwise covered by thick skin which obscures the associated plates.

6.   This is where you need to develop the thick skin.

7.   You need a thick skin to be a headmaster.

8.   And, he might add, a thick skin.

9.   As a basis for success, ability pales in comparison to a thick skin and a good head of hair.

10.   A butcher will remove the thick skin and slice out the inches of fat beneath it.