The Brides cultivate them, and keep them in vats.
The vats are round and wider than a well, 7-10 feet across, waist high, thickly steaming.
The spheres themselves float in clusters, half-submerged in a liquid the green of green tea that almost reaches the rim.
The spheres range from grapefruit to cantaloupe size, are a fleshy grey, and are covered in mouths the size of ordinary human mouths.
Each mouth spend its days whispering all the sins of some specific someone somewhere. Patiently and continuously.
It is said the Brides have a filing system.