1.   A jam jar on top of the bottle seems to be the answer.

2.   Put the oil and vinegar in a jam jar or other salted container.

3.   She felt as though her brain were clambering around her skull like a wasp trying to get out of a jam jar.

4.   She hoped that he would not find the jam jar too utilitarian, but he appeared to possess few vases.

5.   ...an ordinary jam jar with a screw lid.

6.   We took them home in jam jars.

7.   When we have jam jar or anything in the garden he cannot get his nose out of it!

8.   Agnes recycled jam jars so she could buy stamps for her letters.

9.   All the remaining cars by the rail crossing are shut tight as jam jars, idling in place.

10.   Make a batch of these and put them in clean, recycled jam jars.