Its size is that of an average cherry.

An observant eye will notice, running horizontally around the middle, a fold which a needle is able to raise without breaking it.

This hem, generally undistinguishable from the rest of the surface, is none other than the edge of the circular mat, drawn over the lower hemisphere.

The other hemisphere, through which the youngsters will go out, is less well fortified: its only wrapper is the texture spun over the eggs immediately after they were laid.
The work of spinning, followed by that of tearing, is continued for a whole morning, from five to nine o'clock.

Worn out with fatigue, the mother embraces her dear pill and remains motionless.