BISQUE (4) Sounding plates, jars and lids.
Plate: Balance it on top of the fingers of one hand and tap around the edge with the first knuckle of your other hand.
Jars: Hold it with the fingers of one hand inside the neck and tap it with the first knuckle of your other hand.
Lids: Hold the flange of the lid by putting the fingers inside it, pushing them firmly against the edge. Then tap the lid with the first knuckle of your other hand.
Remember: If the resulting sound has a high tone, this means that it is not broken. If the sound is flat, it means it is cracked and should not be used.
The next section; Bisque (5) Cleaning plates, jar and lids