1.   Once they are cooked, the skins slip off quite easily.

2.   The skins should slip right off.

3.   The skins slip right off.

4.   The skins will slip off easily.

5.   The skin should slip off easily.

6.   The skin will slip right off.

7.   The skins should slip off.

8.   The tomatoes should still be firm, but the skins should slip off easily.

9.   Their skins slip off easily.

10.   When the nuts cool, the skins will slip right off.