The Roman Foot Lamp

Lamps of every design were used for not only practical reasons, you know, providing illumination when you need it. And that brings us to the next example, the roman foot lamp. They are lamps in the shape of a human foot with a stopper or lid at the aperture where stump of the disembodied foot would be. and then there is another aperture at the big toe. From this that the wick and n therefore the flame would emerge, right?