Those vessels do not have the outermost clay jar, but are otherwise almost identical.

On his farm all water was boiled and stored in clay jars so that the clay would absorb impurities.

They were written on birch bark and stored in clay jars, which preserved them.

Use the clay jars and open flames well if you don't want to risk a direct confrontation.

The condition of the scrolls indicates that they were already in poor condition and fragments by the time they were stored in the clay jars.